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Kemadrin (Procyclidine)

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Generic Kemadrin is a synthetic antispasmodic compound of relatively low toxicity. In Parkinson's disease, the deficiency of dopamine causes overactivity of acetylcholine. This causes some of the symptoms of the disease. Generic Kemadrin works by blocking the receptors that acetylcholine acts on.

Other names for this medication:

Similar Products:
Sinemet, Requip


Also known as:  Procyclidine.


Generic Kemadrin is used to treat parkinsonism and extrapyramidal dysfunction caused by tranquilizer therapy.

In Parkinson's disease, the deficiency of dopamine causes overactivity of acetylcholine. This causes some of the symptoms of the disease. Generic Kemadrin works by blocking the receptors that acetylcholine acts on. This reduces the activity of the acetylcholine and helps restore the balance of acetylcholine and dopamine in the brain. In this way, Generic Kemadrin helps to control some of the symptoms of Parkinson's disease.

Generic name of Generic Kemadrin is Procyclidine.

Brand name of Generic Kemadrin is Kemadrin.


Take Generic Kemardin tablets orally.

Take Generic Kemadrin with or without food.

Do not drink alcohol during Generic Kemadrin usage.

Be careful if you drive or do anything that requires you to be awake and alert while using Generic Kemadrin.

The dosage and the kind of medicine depend on the disease and its prescribed treatment.

If you want to achieve most effective results do not stop taking Generic Kemadrin suddenly.


If you overdose Generic Kemadrin and you don't feel good you should visit your doctor or health care provider immediately.


Store at room temperature 15 and 30 degrees C (59 and 86 degrees F) away from away from moisture, light and heat. Do not store in the bathroom. Throw away any unused medicine after the expiration date. Keep out of the reach of children in a container that small children cannot open.

Side effects

The most common side effects associated with Kemadrin are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Do not take Generic Kemadrin if you are allergic to Generic Kemadrin components.

Be careful with Generic Kemadrin if you are pregnant, planning to become pregnant or breast-feeding.

Do not take Generic Kemadrin if you have closed angle glaucoma, have obstruction of the stomach or intestines, have urinary retention.

Generic Kemardin is not recommended for children.

Be careful if you are elderly aged person.

Be careful with Generic Kemadrin if you have decreased kidney function, have decreased liver function; have the risk of glaucoma.

Be careful with Generic Kemadrin if you take amantadine; antihistamines, eg. brompheniramine, chlorphenamine; antispasmodics, eg. hyoscine; antipsychotics, eg. chlorpromazine, clozapine; certain antisickness medicines, eg. promethazine, prochlorperazine, meclozine, cyclizine; certain medicines for abnormal heartbeats (antiarrhythmics), eg. disopyramide, propafenone; MAOI antidepressants, eg. Phenelzine; medicines for urinary incontinence, eg. oxybutynin, flavoxate, tolterodine, propiverine, trospium; memantine; muscle relaxants, eg baclofen; nefopam; other anticholinergics, eg. trihexyphenidyl, orphenadrine; tricyclic or related antidepressants, eg. amitriptyline, maprotiline.

Avoid alcohol.

Be careful when you are driving machine.

It can be dangerous to stop Generic Kemadrin taking suddenly.

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A 51-year-old gentleman was admitted with a history of severe depression with marked agitation in the background of cocaine abuse. He had multiple medical problems like deep vein thrombosis, hepatitis C and tardive dyskinesia. Besides him being on antidepressant medication, risperidone was prescribed by his previous physician for a period of 2 years. Since commencement on this medication, he developed tardive dyskinesia that was never recognised and managed. This side effect caused additional anxiety to the patient and affected his social life. Upon admission, his medications were reviewed, risperidone was gradually withdrawn and procyclidine 2 mg twice daily was added. After being discharged from hospital, he was regularly seen in the out patient clinic. Within 3 months, his tardive dyskinesia improved tremendously, his quality of social life got better and by virtue of this, there was a faster remission in his depression and anxiety symptoms.

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Other than atropine and pirenzepine, only oxyphenonium caused full rescue from FDM (goggled versus control; mean +/- SD; refraction differences: -9.50 +/- 0.22 D vs. 0.83 +/- 0.31 D, P < 0.001; wet weight differences: 75.67 +/- 3.84 mg vs. 2.33 +/- 6.14 mg, P < 0.001; axial length differences: 0.80 +/- 0.05 mm vs. 0.03 +/- 0.04 mm, P < 0.001). Oxyphenonium-treated retinas showed no damage. Of the other compounds, several elicited partial rescue and/or damaged the retina, whereas others had no effect.

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A 56-year-old lady was admitted with complaint of involuntary muscle twitching around the eyes, face and neck for two days. She had a history of low grade non-hodgkin lymphoma with completion of the first cycle of chemotherapy. Her medication on presenting consisted of Ondansetron 8 mg two times a day and Metoclopramide 10 mg three times a day (TDS). She started taking these medications 24 hours before having the above symptoms. She was clinically diagnosed with acute dystonic reactions and was also secondarily treated with anti-emetic medications. She was given IV procyclidine 10 mg stat followed by per oral (PO) procyclidine 2.5 mg TDS. Within an hour of administering IV procyclidine her symptoms began to gradually settle down. Acute dystonic reactions are not a very rare clinical presentation in the daily practice. The above case is a good example for the clinicians dealing with acute medical admissions.

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There is a great body of evidence, that excitatory amino acid antagonists, apart from their anticonvulsive properties per se, potentiate the protective activity of conventional antiepileptics against maximal electroshock-induced seizures in mice. It is worth stressing, that combinations of valproate with either CGP 37849 (a competitive NMDA antagonist) or dizocilpine (MK-801, a non-competitive NMDA antagonist), providing a 50% protection against maximal electroshock, resulted in no adverse effects, as measured in the chimney test (motor coordination) or passive avoidance task (long-term memory). On the other hand, valproate administered alone at its ED50, to protect against maximal electroshock, produced profound adverse effects. However, some NMDA antagonists (D-CPP-ene, memantine, procyclidine or trihexyphenidyl) did enhance the protection offered by common antiepileptics but these combined treatments were associated with considerable side-effects on motor coordination and long-term memory. Interestingly, ifenprodil (an antagonist of the polyamine site within the NMDA receptor complex) possessed some anticonvulsive activity against electroconvulsions but failed to enhance the antielectroshock efficacy of conventional antiepileptics. AMPA/KA receptor antagonists (NBQX and GYKI 52466), similarly to NMDA antagonists, potentiated the protective action of antiepileptic drugs against maximal electroshock and these combinations were generally devoid of unwanted effects.

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The effects of nitric oxide-regulating compounds on convulsions and mortality of rats administered i.p. with diisopropylfluorophosphate was investigated. l-N(G)-nitroarginine methyl ester, a nitric oxide synthase inhibitor possessing an anticholinergic action, markedly attenuated the intensity of convulsions and significantly reduced the mortality rate. A similar result was obtained with anticholinergic procyclidine, an N-methyl-d-aspartate receptor antagonist. Noteworthy, l-N(G)-nitroarginine, another inhibitor of nitric oxide synthase, significantly attenuated the seizure intensity when administered in combination with atropine sulfate (5 mg/kg), though either l-N(G)-nitroarginine or atropine sulfate was inactive alone. It is suggested that nitric oxide may be a proconvulsant or a convulsion-promoting factor in anticholinesterase poisoning, and both the reduction of nitric oxide level and blockade of cholinergic systems may be required for more effective protection of seizures.

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Eighty-eight subjects took part in two studies, 37 IBS patients (Rome II), 14 depressed patients, and 37 healthy volunteers. Eighteen IBS patients had diarrhea predominant IBS, 14 were alternators, and 5 were predominantly constipated. In study 1, blood was drawn for baseline measurement of growth hormone (GH) and cytokines IL-6, IL-8, and IL-10. Pyridostigmine 120 mg was administered orally and further blood sampling took place for 180 min. In study 2, patients with IBS, depressed patients, and healthy subjects underwent the pyridostigmine test on two separate occasions with procyclidine (antimuscarinic) pre-treatment on one test occasion. Both GH and IL-6 were monitored.

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Low volatile organophosphorous nerve agents such as VX, will most likely enter the body via the skin. The pharmacokinetics of drugs such as oximes, atropine and diazepam, are not aligned with the variable and persistent toxicokinetics of the agent. Repeated administration of these drugs showed to improve treatment efficacy compared to a single injection treatment. Because of the effectiveness of continuous treatment, it was investigated to what extent a subchronic pretreatment with carbamate (pyridostigmine or physostigmine combined with either procyclidine or scopolamine) would protect against percutaneous VX exposure. Inclusion of scopolamine in the pretreatment prevented seizures in all animals, but none of the pretreatments affected survival time or the onset time of cholinergic signs. These results indicate that percutaneous poisoning with VX requires additional conventional treatment in addition to the current pretreatment regimen. Decontamination of VX-exposed skin is one of the most important countermeasures to mitigate the effects of the exposure. To evaluate the window of opportunity for decontamination, the fielded skin decontaminant Reactive Skin Decontaminant Lotion (RSDL) was tested at different times in hairless guinea pigs percutaneously challenged with 4× LD50 VX in IPA. The results showed that RSDL decontamination at 15 min after exposure could not prevent progressive blood cholinesterase inhibition and therefore would still require additional treatment. A similar decontamination regimen with RSDL at 90 min showed that it still might effectively increase the time window of opportunity for treatment. In conclusion, the delay in absorption presents a window of opportunity for decontamination and treatment. The continuous release of VX from the skin presents a significant challenge for efficacious therapy, which should ideally consist of thorough decontamination and continuous treatment.

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In order to facilitate direct comparisons of anticholinergic drug effects on activity, nine drugs were tested in one laboratory using a standardized procedure.

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Atropine, pirenzepine, and himbacine prevent form-deprivation myopia (FDM) when administered intravitreously. The mechanisms and sites of action of these drugs against myopia are not clear. To shed further light on whether this mechanism is muscarinic, several other muscarinic antagonists were tested.

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The rapid onset of toxic signs following nerve agent intoxication and the apprehension that current therapy (atropine, oxime, diazepam) may not prevent brain damage, requires supportive pretreatment. Since the current pretreatment drug pyridostigmine fails in protecting brain-AChE, more effective pretreatment is necessary. A main focus of present-day pretreatment research is on bioscavengers, another is on centrally active reversible AChE-inhibitors combined with drugs showing anti-cholinergic, anti-glutamatergic, neuroprotective and non-sedating GABA-ergic activity. Strategies aimed at improving efficacy of pharmacological pretreatment will briefly be discussed. Galantamine, given as a pretreatment or stand-alone therapy, emerged as one of the best medical countermeasures against nerve agent poisoning in guinea pigs. Other preclinical studies demonstrated effective pretreatment consisting of physostigmine combined with procyclidine, scopolamine or bupropion (all single injections), against nerve agent poisoning in guinea pigs. A long sign-free pretreatment with physostigmine (Alzet pump), combined with single injection of procyclidine just before soman poisoning, enhanced the efficacy of a post-poisoning therapy consisting of 3 autoinjector equivalents of HI-6, atropine and diazepam, considerably.

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Single oral doses of atropine, nortriptyline, procyclidine and lactose dummy were administered double-blind to eight healthy young subjects in a balanced, crossover study. Television pupillometry was used to measure the anticholinergic effects of these drugs on the pupil diameter in darkness and the reflex response to light flashes. The sensitivity of this method was compared with conventional autonomic function tests, viz. salivary secretion, radial pulse, forearm sweat gland activity and distance to visual near point. Visual analogue scales were used to obtain subjective measures of sedative drug effects. The expected inhibition of parasympathetic activity was found in most instances with two exceptions: firstly, that nortriptyline failed to affect the pupil despite causing a tachycardia and secondly, that procyclidine gave a bradycardia. The results are discussed with reference to the possible advantages of television pupillometry over conventional pupil measurement in the detection of anticholinergic drug effects.

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A new technique for investigating drug-protein binding was developed employing capillary electrophoresis (CE) coupled with tris(2,2'-bipyridyl) ruthenium(II) [Ru(bpy)(3) (2+)] electrochemiluminescence (ECL) (CE-ECL) detection after equilibrium dialysis. Three basic drugs, namely pridinol, procyclidine and its analogue trihexyphenidyl, were successfully separated by capillary zone electrophoresis with end-column Ru(bpy)(3) (2+) ECL detection. The relative drug binding to human serum albumin (HSA) for each single drug as well as for the three drugs binding simultaneously was calculated. It was found that the three antiparkinsonian drugs compete for the same binding site on HSA. This work demonstrated that Ru(bpy)(3) (2+) CE-ECL can be a suitable technique for studying drug-protein binding.

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The antidotal, anticonvulsant and neuroprotective effects of physostigmine (PhS) and procyclidine (PC), the combinational prophylactics for organophosphate poisoning, were evaluated. For the investigation of dose-response relationship in rats and guinea pigs, various doses (0-6 mg/kg) of PC in combination with a fixed dose (0.1 mg/kg) of PhS were pretreated subcutaneously 30 min prior to subcutaneous poisoning with soman. Procyclidine in combination with PhS exhibited remarkable synergistic effects in a dose-dependent manner, leading to 1.92-5.07 folds of protection ratio in rats and 3.00-4.70 folds in guinea pigs. On the other hand, a low effect (1.65 fold) was achieved with the traditional antidotes atropine (17.4 mg/kg) plus 2-pralidoxime (30 mg/kg) treated immediately after soman poisoning, compared with a marked protection (5.50 fold) with atropine (17.4 mg/kg) plus HI-6 (125 mg/kg) in unpretreated rats. Noteworthy, the combinational prophylactics greatly potentiated the effect of atropine plus 2-pralidoxime to 6.13 or 12.27 folds and that of atropine plus HI-6 to 12.00 or 21.50 folds with 1.0 or 3.0 mg/kg of PC, respectively. A high dose (100 μg/kg, 1.3×LD(50)) of soman induced severe epileptiform seizures in rats pretreated with HI-6 (125 mg/kg), resulting in brain injuries in discrete brain regions under histopathological examination in 24 h. Interestingly, such seizures and excitotoxic brain injuries were fully prevented by pretreatment with PhS (0.1 mg/kg) and PC (1 mg/kg). Taken together, it is proposed that the prophylactics composed of PhS and PC could be a promising regimen for the prevention of lethality, seizures and brain injuries induced by soman poisoning.

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The hypothesis has recently been advanced that increased activity of central dopaminergic mechanisms underlies the symptomatology of the schizophrenias. The evidence that dopaminergic transmission in the corpus striatum is impaired in Parkinson's disease suggests that observations on the relationship between Parkinson's disease and schizophrenia may illuminate the patholophysiology of the latter disease. Four cases are reported in which an illness with schizophrenic features developed in the setting of longstanding Parkinson's disease; attention is drawn to earlier reports of schizophrenic illnesses occurring as postencephalitic sequelae in the presence of a parkinsonian syndrome. These observations appear to conflict with the view that increased dopamine release in the striatum is necessary for the expression of schizophrenic psychopathology, but do not exclude the possibility that increased transmission may occur at other dopaminergic sites in the brain, for example the nucleus accumbens, tuberculum olfactorium or cerebral cortex. Similarly the dopamine receptor blockade hypothesis of the therapeutic effects of neuroleptic drugs cannot be maintained with respect to an action in the striatum in view of the differences between the actions of thioridazine and chlorpromazine in this structure, but may be tenable for actions at extra-straital sites.

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In an attempt to obtain more selective antagonists acting at muscarinic M2-receptors, analogues of 4-diphenylacetoxy-N-methylpiperidine methobromide (4-DAMP methobromide) have been synthesized. These were tested, along with silabenzhexol, procyclidine, sila-procyclidine and AFDX-116, in dose-ratio experiments with guinea-pig isolated atria at 30 degrees C and ileum at 30 degrees C and 37 degrees C. The agonist was carbachol and the selectivity was assessed from the difference between log K for receptors in ileum and log K for receptors in atria. The selectivity was not related to the affinity and some weakly active compounds retained appreciable selectivity but no compound had greater selectivity than 4-DAMP methobromide or pentamethylene bis-(4-diphenylacetoxy-N-methylpiperidinium) bromide. Structure-activity relations are discussed. There seem to be steric limits to affinity but there are no obvious indications of the structural features associated with selectivity. It is suggested that more selective drugs may be obtained by introducing groups which may reduce affinity.

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After intraperitoneal administration of procyclidine, eight metabolites were isolated from rat urine. They were identified as 1-(4-oxocyclohexyl)-1-phenyl-3-(1-pyrrolidinyl)-1-propanol, 1-(cis-4-hydroxycyclohexyl)-1-phenyl-3-(1-pyrrolidinyl)-1-propanol, 1-(trans-4-hydrocyclohexyl)-1-phenyl-3-(1-pyrrolidinyl)-1-propanol , (1R,3R,4S,7R)- and (1R,3R,4S,7S)-1-(cis-3,cis-4-dihydroxycyclohexyl)-1-phenyl-3-(1-py rrolidinyl)- 1-propanol, (1R,3R,4R,7R)- and (1R,3R,4R,7S)-1-(cis-3,trans-4-dihydroxycyclohexyl)-1-phenyl- 3-(1-pyrrolidinyl)-1-propanol, and one of both (1R,3S,4R,7R)- or (1R,3S,4R,7S)- 1-(trans-3,trans-4-dihydroxycyclohexyl)-1-phenyl-3-(1-pyrrolidinyl )-1-propanol by comparative TLC, GLC-MS and 13C-NMR spectroscopy.

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Four schizophrenic patients are reported in whom the acute development of dystonic muscle spasms, usually involving gaze deviation, was accompanied by the exacerbation or appearance of psychotic symptoms. In all cases the relationship between the neurological and psychiatric phenomena was close, and sometimes the presentation was bizarre or dramatic. The similarity of these states to the complex neuropsychiatric disturbances seen in post-encephalitic Parkinsonism is emphasised.

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This study assessed misuse of anticholinergic drugs in a population of 50 patients with serious mental illness who were assertively managed by a community-based outreach team in Sydney, Australia. One-third of the subjects reported having misused anticholinergics over the previous month. All anticholinergics were misused, and trihexyphenidyl (benzhexol) was misused most frequently. Most subjects misused at least one other drug as well. On direct questioning, the reason given most frequently was "to get high"; on indirect questioning, reasons were related more to peer participation and feelings of futility. Marginalized patients living in the community are vulnerable to the misuse of anticholinergic drugs.

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A double-blind, cross-over trial of the effectiveness of piribedil, procyclidine and placebo in the control of parkinsonism induced by fluphenazine decanoate was conducted in sixteen cases of chronic schizophrenia. Procyclidine was shown to be more effective and piribedil less effective than the placebo. Piribedil produced a number of unpleasant effects, including headache, vomiting and malaise.

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Acetylcholinesterase inhibitors in combination with an anticholinergic, particularly anticholinergics with antiglutamatergic properties, can effectively protect against nerve agent-induced seizures and lethality. The objective of the present study was to examine potential behavioral side effects of the anticholinesterases physostigmine (0.1mg/kg), galantamine (3mg/kg), huperzine (0.5mg/kg), and donepezil (2.5mg/kg) alone or each drug in combination with anticholinergic procyclidine (3mg/kg). The results showed that rats injected intraperitoneally with galantamine displayed a mild cognitive deficit in terms of reduced preference for novelty that was similarly found among animals treated with procyclidine combined with either galantamine or donepezil. Locomotor activity and rearing were radically depressed in all groups treated with anticholinesterases as well as in combination with procyclidine. Reductions in activity were most prominent for rats injected with galantamine alone. Equalizing effects of cholinesterase inhibitors and anticholinergics were absent in the present context. Findings from previous studies that both systemic and local (amygdala) application of physostigmine cause increased fear-motivated freezing response in rats, may explain the marked reductions in activity among the present rats. In view of these findings, use of anticholinesterases (crossing the blood-brain barrier) as prophylactics against nerve agents must be carefully examined to avoid severe side effects.

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The administration of PRN medication by mental health nurses is an important, yet poorly explored aspect of psychiatric inpatient care. An examination of nurses' reasons for administering PRN medication is essential in ensuring its appropriate and effective use. Data were gathered from the drug charts of 44 inpatients on two acute psychiatric wards. Most PRN medication was given orally and the most frequently administered drugs were procyclidine, lorazepam, ibuprofen, diazepam and droperidol. The main reason for administering PRN medication was because patients had 'requested' it. Results were broadly consistent with previous research. It is recommended that nurses should give clear and specific reasons for administering PRN medication based on a valid assessment. Implications for clinical practice and further research are also discussed.

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Didepil seems to be an effective antiepileptic agent in maximal generalized seizures as well as in temporal lobe seizures.

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Platelet-rich plasma from healthy controls was pre-treated with neuroleptics of the phenothiazine, butyrophenone or benzamide variety before aggregation with one of the following agonist agents: ADP, adrenaline, 5-HT, collagen, platelet activating factor or ristocetin. All compounds effective as antipsychotics, except sulpiride, depressed aggregation. Unmedicated schizophrenics showed aggregation responses indistinguishable from healthy controls. However, within days of treatment with either trifluoroperazine or haloperidol responses became abnormal in acutely psychotic patients. Increased responses to 5-HT and depressed responses to platelet activating factor were detected. After 4 weeks of treatment responses tended to return to normal. Aggregation responses were normal in those patients on long-term depot neuroleptics.

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IBS and major depression are characterized by a pro-inflammatory profile, whereas IBS patients alone exhibit an exaggerated muscarinic receptor-mediated IL-6 response.

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Oxyphenonium prevents FDM in chicks. The ineffectiveness or partial effectiveness of other compounds, coupled with the high concentrations of effective compounds required to prevent FDM, suggests that muscarinic antagonists act to prevent FDM, either at sites distant from the retina, or through a nonmuscarinic mechanism, on which only some of these drugs act.

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kemadrin medication 2017-09-04

A total of eight anticholinergic drugs (aprophen, atropine, azaprophen, benactyzine, biperiden, procyclidine, scopolamine, trihexyphenidyl) were tested in parallel with diazepam for the ability to terminate seizure activity induced by the nerve agent soman. Guinea pigs, implanted with electrodes to record cortical electroencephalographic (EEG) activity, were pretreated with pyridostigmine Br (0.026 mg/kg, i.m.) and 30 min later challenged with 2 x LD50 soman (56 microg/kg, s.c.) followed 1 min later by treatment with atropine SO4 (2 mg/kg, i.m.) and pralidoxime chloride (2-PAM Cl; 25 mg/kg, i.m.). All guinea pigs developed sustained seizure activity following this treatment. Dose-effect curves were determined for the ability of each drug buy kemadrin to terminate seizure activity when anticonvulsant treatment was given either 5 or 40 min after seizure onset. Body weight gain and recovery of behavioral performance of a previously trained one-way avoidance task were measured after exposure. With the exception of atropine, all anticholinergic drugs were effective at lower doses than diazepam in terminating seizures when given 5 min after seizure onset; benactyzine, procyclidine and aprophen terminated seizures most rapidly while scopolamine, trihexyphenidyl, biperiden, and diazepam were significantly slower. When given 40 min after seizure onset, diazepam was the most potent compound tested, followed by scopolamine, benactyzine and biperiden; atropine was not effective when tested 40 min after seizure onset. For diazepam, the time to terminate the seizure was the same whether it was given at the 5- or 40-min delay. In contrast, most anticholinergics were significantly slower in terminating seizure activity when

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Both fine motor activity (reflecting smaller movements) and buy kemadrin ambulatory activity (reflecting larger movements) were recorded for 23 h following drug administration in food-restricted rats. All drugs were administered during the light period of the photocycle.

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In this systematic review, we present information relating to the effectiveness and safety of the following interventions: acupuncture, amantadine, baclofen, benzatropine, biofeedback, botulinum toxins, bromocriptine, carbamazepine, carbidopa/levodopa, clonazepam, clozapine, deep brain stimulation of thalamus and globus pallidus, diazepam, gabapentin, haloperidol, lorazepam, myectomy (for focal dystonia), occupational therapy, ondansetron, physiotherapy, pregabalin, procyclidine, selective peripheral buy kemadrin denervation (for focal dystonia), speech therapy, tizanidine, trazodone hydrochloride, and trihexyphenidyl.

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Clozapine is an atypical antipsychotic known for its efficacy in refractory schizophrenia. However, according to different epidemiological studies clozapine can induce neutropenia in less than 3% of patients and may represent a major problem for the management of treatment-resistant patients not responding to conventional or other atypical antipsychotics. Recently, a few case of neutropenia have been reported following the addition of other medications to clozapine, notably paroxetine, risperidone, trimethoprim-sulfamethoxazole and erythromycin. In our report we present the case of Mr A., a 40-year-old Caucasian patient with a 20-year history of paranoid schizophrenia. After numerous trials with conventional antipsychotics, partial remission of psychotic symptoms was obtained with clozapine. Over the past eight years during his treatment with clozapine, the patient presented 2 episodes of neutropenia. The first episode came five years after starting clozapine and was attributed to the addition 6 weeks earlier of haloperidol (2 mg/day) to clozapine (250 mg/day) and divalproex (1,500 mg/day). Recently, one week after the addition of risperidone (2 mg/day) to clozapine (550 mg/day), leukocytes count dropped from 12 100/mm(3) to 5 700/mm(3) and neutrophils from 7 400/mm(3) to 900/mm(3). The patient was also taking haloperidol (4 mg/day), methotrimeprazine (35 mg/day), procyclidine (5 mg/day) and valproic acid (1,500 mg/day). Twelve days after discontinuation of risperidone, leukocytes and neutrophils count increased to 11,100/mm(3) and 6,300/mm(3) respectively while the treatment with clozapine was continued buy kemadrin . The first eighteen weeks of treatment represent the period where the risk of neutropenia is the highest. In our patient neutropenia occurred 5 and 7 years after starting clozapine. It is proposed that the two neutropenic episode were precipitated by adding respectively haloperidol and risperidone to clozapine. Also, divalproex can potentially cause a decrease in white blood cell count and may have contributed to the two neutropenic episode. It is suggested that drug interactions may be responsible for neutropenia in clozapine treated patients and that clozapine should not necessarily be discontinued in the presence of neutropenia. Also we propose that hematological surveillance should be done on a weekly basis for 4 to 6 weeks following the addition of psychotropic drugs known for their potential to cause neutropenia when associated with clozapine. Therefore polypharmacy may contribute to cause neutropenia in clozapine treated patients and that discontinuation of an antipsychotic should be done before introducing another one.

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The anticholinergic antiparkinsonian drugs biperiden, benztropine, trihexyphenidyl, methixene, and procyclidine were compared with atropine and pirenzepine, as well as with orphenadrine, amantadine and some standard antidepressives and neuroleptics in their ability to inhibit the binding of tritiated quinuclidinyl benzilate (QNB) to the muscarinic receptors in rat brain cortical tissue. Most of the antiparkinsonian drugs studied were potent inhibitors of (-)3H-QNB binding, when compared to atropine (IC50-value = 0.22 microM), the IC50-values ranging from 0.0084 microM (biperiden) to 0.07 microM (procyclidine). Orphenadrine had a low and amantadine no evident affinity for muscarinic receptors. With the exception of pirenzepine and biperiden the inhibition curves were steep and parallel, giving linear Hill plots with coefficients close to unity. The binding profile of atropine, pirenzepine, and biperiden was further studied in heart and lung tissues, atropine showing only small divergences in its binding to the different tissues, but biperiden and pirenzepine having five to ten times lower affinity in the peripheral tissues than in the brain. The results confirm the high affinity of most of the antiparkinsonian drugs for brain muscarinic receptors. The dissociation constants agree with the average clinical doses of the drugs. It must be remembered, however, that the binding data may represent multiple events at buy kemadrin receptor sites because most of the drugs used are mixtures of stereoisomers. Thus further studies using individual enantiomers are needed to compare more directly binding data between the compounds.

kemadrin injection dose 2016-03-16

The study presented here shows that GC-MS with ion trap detection can be used for screening post mortem blood. The method described was used to simultaneously screen for unknowns, identify basic drugs present and semi-quantitate 14 drugs commonly encountered in coroner's toxicology (i.e. was used to determine whether the drugs were present in sub-therapeutic, therapeutic or greater than therapeutic amounts). The equipment used included a Varian Saturn 2000 GC-MS operating in full scan mode, a CP-3800 GC, a CP-8400 autosampler and Saturn GC-MS workstation Version 5.5 software. Post mortem blood samples were extracted using a standard liquid-liquid procedure; diethylether followed by back extraction into 0.1 M HCl. Standard curves for the 14 drugs which were semi-quantitated (amitriptyline, citalopram, clozapine, buy kemadrin cocaine, cyclizine, diazepam, dihydrocodeine, dothiepin, methadone, mirtazapine, procyclidine, sertraline, tramadol, venlafaxine) were prepared covering the concentration range 0-1.0 ug/mL. The procedure is in routine use for coroners toxicology; semi-quantitation has been used (i) to speed-up the through put of cases where drugs are an incidental finding and (ii) for cases where the amount of sample submitted for analysis was too small to allow for screening, identification and quantitation on separate sample volumes.

kemadrin 5mg tab 2016-07-14

This study determined the effects of procyclidine, an buy kemadrin anticholinergic drug, on PPI in healthy male volunteers, employing a double-blind placebo-controlled cross-over design.

kemadrin storage 2016-04-25

Extrapyramidal symptoms buy kemadrin developed a variable time after the start of treatment with oral diazoxide in 15% of a series of 100 severely hypertensive patients. Six illustrative cases are described. Treatment with diazoxide could be continued in four of these. The symptoms are usually controllable either by dosage adjustment or by the use of diazepam or procyclidine. There was no evidence of irreversibility of the extrapyramidal syndromes observed.

kemadrin drug classification 2016-03-26

The authors administered haloperidol 4.5 mg t.i.d. to 33 drug-free schizophrenic patients. Ten patients did not receive anything else (group HPL), while ten patients received procyclidine 5 mg t.i.d., and 13 patients were given promethazine 25 mg t.i.d. (groups HPRC and HPRM respectively) in addition. Seven patients dropped out of the HPL group and three out of the HPRM group, but none out of the HPRC group. These buy kemadrin drop outs were due to the development of early extrapyramidal side effects, which were absent in the HPRC group. The findings suggest that antiparkinson prophylaxis is useful during commencement of therapy with high-potency neuroleptic agents.

kemadrin 5 mg 2017-09-02

The administration of PRN medication by mental health nurses is an important, yet poorly explored aspect of psychiatric inpatient care. An examination of nurses' reasons for administering PRN medication is essential in ensuring its appropriate and effective use. Data were gathered from the drug charts of 44 inpatients on two acute psychiatric wards. Most PRN medication was given orally and the most frequently administered drugs were procyclidine, lorazepam, ibuprofen, diazepam and droperidol. The main reason for administering PRN medication buy kemadrin was because patients had 'requested' it. Results were broadly consistent with previous research. It is recommended that nurses should give clear and specific reasons for administering PRN medication based on a valid assessment. Implications for clinical practice and further research are also discussed.

kemadrin dose 2017-05-10

Prepulse inhibition (PPI) of the startle response refers to buy kemadrin a reduction in response to a strong stimulus (pulse) if this is preceded shortly by a weak non-startling stimulus (prepulse). Consistent with theories of deficiencies in early stages of information processing, PPI is found to be reduced in patients with schizophrenia. Atypical antipsychotics are found to be more effective than typical antipsychotics in improving PPI in this population. Anticholinergic drugs are often used to control extrapyramidal symptoms induced by antipsychotic medication, especially by typical antipsychotics, in schizophrenic patients and are known to disrupt cognitive functions in both normal and schizophrenic populations. The effect of anticholinergics on PPI in schizophrenia has not yet been examined. This study determined the effects of procyclidine, an anticholinergic drug, on PPI in patients with schizophrenia given risperidone or quetiapine and not on any anticholinergic drugs, employing a placebo-controlled, cross-over design. Under double-blind conditions, subjects were administered oral 15 mg procyclidine and placebo on separate occasions, 2 weeks apart, and tested for acoustic PPI (prepulse 8 dB and 15 dB above the background and delivered with 30-ms, 60-ms and 120-ms prepulse-to-pulse intervals). Procyclidine significantly impaired PPI compared to placebo (assessed as percentage reduction) with 60-ms prepulse-to-pulse trials and increased the latencies to response peak across all trials. The use of anticholinergics needs to be carefully controlled/examined in investigations of information processing deficits using a PPI model and reduced to the minimum level in clinical care of schizophrenia.

kemadrin drug 2016-06-16

Two cases are described of chronic schizophrenic patients maintained on depot neuroleptics, who developed severe extrapyramidal symptoms following a period of heavy betel nut consumption. A mechanism for this effect is proposed based on the pharmacological antagonism of the anticholinergic agent, procyclidine, by the active alkaloid ingredient buy kemadrin of the betel, arecoline.

kemadrin tab 5mg 2017-01-04

A pretreatment for organophosphorus (OP) anticholinesterase (e.g., soman) intoxication should prevent lethality and convulsions (CNV) at 2 LD50s and be behavioral-decrement-free when given alone. Behavioral-deficit-free pretreatment regimens (PRGs) for guinea pigs consisted of Physostigmine (0.15 mg/kg, im) and adjunct. Adjuncts [mg/kg, im] tested were akineton [0.25], aprophen [8], trihexyphenidyl [2], atropine [16], azaprophen [5], benactyzine [1.25], cogentin [4], dextromethorphan [7.5], ethopropazine [12], kemadrin [1], memantine [5], promethazine [5], scopolamine [0.08] and vontrol [2]. PRGs were given 30 min before soman (60 micrograms/kg, sc; 2 LD50s) or other OP agents. Animals were then observed and graded for signs of intoxication, including CNV at 7 time points and at 24 hr. Physostigmine alone reduced the incidence of CNV and lethality induced by 2 LD50s of soman by 42 and 60%, respectively. All of the PRGs tested abolished lethality and 12 shortened recovery buy kemadrin time to 2 hr or less. Also, PRGs including azaprophen or atropine prevented CNV. When selected PRGs were tested against intoxication by sarin, tabun or VX, the efficacy was generally superior to that for soman. The data show that several PRGs are effective against soman intoxication in guinea pigs.

kemadrin tablet 2015-02-11

The effects of eight antiparkinsonian anticholinergic drugs on motor activity in mice were studied. Trihexyphenidyl, biperiden, benztropine, etybenztropine, procyclidine and tropacine clearly stimulated motor activity. Orphenadrine did not change motor activity, and profenamine had sedative properties. The classification of these drugs by order of their effect on buy kemadrin this animal model does not agree with the classification proposed by Deniker et al (1980).

buy kemadrin 2016-10-16

1. We studied the effect of temperature on the binding to rat heart M2 muscarinic receptors of antagonists related to the carbon/silicon pairs pridinol/sila-pridinol and diphenidol/sila-diphenidol (including three germanium compounds) and six structurally related pairs of enantiomers [(R)- and (S)-procyclidine, (R)- and (S)-trihexyphenidyl, (R)- and (S)-tricyclamol, (R)- and (S)-trihexyphenidyl methiodide, (R)- and (S)-hexahydro-diphenidol and (R)- and (S)-hexbutinol]. Binding affinities were determined in competition experiments using [3H]-N-methyl-scopolamine chloride as radioligand. The reference drugs were scopolamine and N-methyl-scopolamine bromide. 2. The affinity of the antagonists either increased or decreased with temperature. van't Hoff plots were linear in the 278-310 degrees K temperature range. Binding of all antagonists was entropy driven. Enthalpy changes varied from large negative values (down to -29 kJ mol-1) to large positive values (up to +30 kJ mol-1). 3. (R)-configurated drugs had a 10 to 100 fold greater affinity for M2 receptors than the corresponding (S)-enantiomers. Enthalpy and entropy changes Sustiva Missed Dose of the respective enantiomers were different but no consistent pattern was observed. 4. When silanols (R3SiOH) were compared to carbinols (R3COH), the affinity increase caused by C/Si exchange varied between 3 and 10 fold for achiral drugs but was negligible in the case of chiral drugs. Silanols induced more favourable enthalpy and less favourable entropy changes than the corresponding carbinols when binding. Organogermanium compounds (R4Ge) when compared to their silicon counterparts (R4Si) showed no significant difference in affinity as well as in enthalpy and entropy changes. 5. Exchange of a cyclohexyl by a phenyl moiety was associated with an increase or a decrease in drug affinity (depending on the absolute configuration in the case of chiral drugs) and generally also with a more favourable enthalpy change and a less favourable entropy change of drug binding. 6. Replacement of a pyrrolidino by a piperidino group and increasing the length of the alkylene chain bridging the amino group and the central carbon or silicon atom were associated with either an increase or a decrease of entropy and enthalpy changes of drug binding. However, there was no clear correlation between these structural variations and the thermodynamic effects. 7. Taken together, these results suggest that hydrogen bond-forming OH groups and, to a lesser extent, polarizable phenyl groups contribute significantly to the thermodynamics of interactions between these classes of muscarinic antagonists and M2 muscarinic receptors.

kemadrin tablet cost 2015-09-16

It is important Pediatric Zoloft Dose that prophylactics used to protect military and emergency personnel against lethal doses of nerve agents do not by themselves produce impairment of cognitive capability. The purpose of the present study was to examine whether physostigmine, scopolamine, and various doses of procyclidine might reduce rats' innate preference for novelty. When these drugs were tested separately, the results showed that physostigmine (0.1 mg/kg) and procyclidine (3 mg/kg) did not affect preference for novelty, whereas scopolamine (0.15 mg/kg) and procyclidine in a higher dose (6 mg/kg) resulted in a preference deficit (Experiment 1). In Experiment 2, the combination of physostigmine and scopolamine or physostigmine and procyclidine (6 mg/kg) caused a marked deficit in preference for novelty. A much milder deficit was observed when physostigmine was combined with lower doses (1 or 3 mg/kg) of procyclidine. The latter combinations also had milder adverse impact on the animals' interest in the test environment and activity measures than the former combinations. By combining physostigmine with anticholinergics, a potentiation of adverse effects on behavior was seen. It is concluded that a slight cognitive impairment might be unavoidable with effective prophylactics.

kemadrin generic 2015-12-12

In a fatal case of neuroleptic malignant syndrome, a muscle sample taken within 1 h of death showed acute myopathic features with absence of muscle glycogen and neutral lipid. These features suggest that Cozaar 15 Mg hyperpyrexia in this syndrome may be caused by heat production from uncoupled phosphorylation in muscle and imply that the primary biochemical abnormality responsible for this uncontrolled heat production might be muscular rather than hypothalamic.

kemadrin generic name 2017-11-15

Forty-nine schizophrenic outpatients stabilized on Exelon Patch Generic oral antipsychotic medication and procyclidine received 12.5 mg or 18.75 mg of fluphenazine enanthate or fluphenazine decanoate and were examined for extrapyramidal side effects one and two weeks later. Extrapyramidal side effects were present in 30 patients (61%) but were clinically significant in only 11 (22%). Fluphenazine enanthate produced more clinically significant extrapyramidal symptoms, particularly akathisia, than did fluphenazine decanoate.

kemadrin reviews 2015-08-07

Dysphoria occurred in about 40% of the subjects on both occasions, but akathisia was only detected in 8% (first study) and 16 Hytrin Renal Dose % (second study). All adverse effects were transient and were abolished in nine of the ten subjects given procyclidine.

kemadrin tablets 5mg 2016-01-04

The interaction between various neuroleptics and antiparkinsonian drugs was analyzed by measuring the neuroleptic plasma level before and after withdrawal of antiparkinsonian drugs. The population completing the study consisted of 32 chronic schizophrenics treated with chlorpromazine (8), levomepromazine (14), thioridazine (6), or haloperidol (4). Twenty-five were also receiving benztropine; 4, trihexyphenidyl; and 3, procyclidine. During the first 4 weeks patients remained on neuroleptics and antiparkinsonians, the latter being withdrawn during the 5th week, and the neuroleptics alone being administered during 16 following weeks. The plasma level of neuroleptics was assayed by gas liquid chromatography, once weekly in the morning at two different times. The analysis of variance showed a significant difference in neuroleptic plasma level when patients took neuroleptics Zanaflex Normal Dose only versus the period they had received neuroleptics and antiparkinsonians. The multiple comparison based on Studentized range Q0-05 revealed a significant progressive increase of neuroleptic plasma level during 12 weeks after withdrawal of antiparkinsonian drugs after which a plateau was reached. The hypothetical mechanisms of action of antiparkinsonians on neuroleptic plasma level are discussed.

kemadrin overdose 2016-11-29

In recent years, the complex treatment of schizophrenia has been extended by the neuroleptic large-dose therapy. Our investigations carried out so far, which reflect the experiences gained in several years with this form of treatment, include 30 schizophrenic patients Sinequan 10 Mg admitted in an acute psychotic condition. They were treated for six days running with 40 to 120 (average 65) mg of Haloperidol daily. The results of our studies show that the large-dose therapy with Haloperidol as an initial phase of a combined pharmaco-therapy represents a safe, rapid and effective method.

dose of kemadrin 2015-12-10

The results of evaluating the therapeutic efficacy of the new psychotropic drugs adepren, didepil, anq tempalgin made by the "Farmakhim" plant (the People's Republic of Bulgaria) are presented. Clinical trials revealed new facts that allowed to expand the scope of the indications for use formulated in the "Farmakhim" recommendations. It was found that Adepren could be used with success (in addition to the indications suggested by "Farmakhim") in the treatment of patients with depressive-paranoid paroxysms of periodic schizophrenia taking its course in the presence of general depression, as well as patients with somatogenic lingering astheno-depressive states. The therapeutic efficacy of didepil (an antiepileptic) was found to be in a direct relationship with the disease duration, character of the attacks, presence or absence of epileptic chandes of personality. The effect was the best in cases of a short duration of the disease and absence of gross epileptic personality changes, when the paroxysmal disorders were confined mostly to grand mals. A new scheme for arresting the epileptic status with didepil solution is offered. For the first time the efficacy of tempalgin in the treatment of patients suffering from alcoholic abstinence syndrome was substantiated. Optimal doses of the drugs have been determined with regard to the disease nosology and the leading syndrome. Contraindications to the use of the drugs have also been formulated.

kemadrin medicine 2017-02-22

We found 19 studies that met our inclusion criteria. We performed a GRADE evaluation of the quality of evidence for interventions.

kemadrin medication 2015-01-02

Identification of critical receptors in seizure controlling brain regions may facilitate the development of more efficacious pharmacological therapies against nerve agent intoxication. In the present study, a number of drugs with anticonvulsant potency were microinfused into the perirhinal cortex (PRC) or posterior piriform cortex (PPC) in rats. The drugs used exert cholinergic antagonism (scopolamine), glutamatergic antagonism (ketamine, NBQX), both cholinergic and glutamatergic antagonism (procyclidine, caramiphen), or GABAergic agonism (muscimol). The results showed that in the PRC anticonvulsant efficacy against soman-induced seizures (subcutaneously administered) was achieved by procyclidine or NBQX, but not by ketamine, scopolamine, caramiphen, or muscimol (Experiment 1). Hence, both muscarinic and glutamatergic NMDA receptors had to be antagonized simultaneously or AMPA receptors alone, suggesting increased glutamatergic activation in the PRC before onset of seizures. In the PPC, anticonvulsant effects were assured by scopolamine or muscimol, but not by procyclidine, caramiphen, NBQX, or ketamine (Experiment 2). Thus, muscarinic and GABA(A) receptors appear to be the critical ones in the PPC. Microinfusion of soman into the PRC or PPC resulted in sustained seizure activity in the majority of the rats of both infusion categories. The rhinal structures encompassed in this study apparently have critical functions as both control and trigger sites for nerve agent-evoked seizures.

kemadrin dosage 2016-06-02

A case of procyclidine abuse is described in which the clinical presentation was indistinguishable from mania. The patient was a long-standing poly-drug abuser and was obtaining the drugs from medical sources. Controlled exposure on the ward to drugs of abuse, including a double-blind comparison with placebo, confirmed that procyclidine caused a manic response in this patient.