Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0013421 (dystonia)
 8,418 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The therapeutic responses of seven children with Wilson's disease who presented with neurological disease were evaluated. Neurological abnormalities comprised intellectual deterioration in 7, conduct disorder in five, dystonia in three, choreoathetosis in three, seizures in one and hemiparesis in one. Lethargy and weight loss were present for several months in 6 children. Four children had clinically demonstrable liver disease which was fatal in two. Electroencephalography performed in two children was normal. Computed tomography (CT) of the brain in three children showed cerebral atrophy in all and areas of low attenuation in the basal ganglia which resolved on treatment in one. All patients were treated with penicillamine but, in four, triethylene tetramine (TETA) was substituted because of adverse effects. Neurological abnormalities in these patients were reversible.
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PMID:Neurological abnormalities in Wilson's disease are reversible. 356 99

There is a now a substantial body of evidence that suggests the new antipsychotic agent, risperidone, may be safe and effective for treating psychotic, affective or behavioural symptoms associated with various disorders other than schizophrenia, schizophreniform disorder or schizo-affective disorder. These conditions include bipolar disorder, obsessive-compulsive disorder, Tourette's syndrome, dementia, Lewy body disease, mental retardation, Parkinson's disease, idiopathic segmental dystonia and organic catatonia. Although much of the data is anecdotal or in the form of open studies, there is now emerging a small number of well controlled investigations supporting efficacy for mania, dementia, behavioural disturbance in mental retardation and conduct disorder. Conventional antipsychotics have long been used, either in a primary capacity or as an adjunct to treat these disorders; however, they have limited benefit, pose significant risks of extrapyramidal side-effects, and may cause the potentially life-threatening neuroleptic malignant syndrome. In contrast, risperidone at the recommended low doses may be efficacious and pose reduced risk of motor side-effects. This article reviews the evidence that risperidone may be an effective new treatment for disorders other than schizophrenia.
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PMID:Does risperidone have a place in the treatment of nonschizophrenic patients? 1119 55

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder with common comorbidities that include oppositional defiant disorder, conduct disorder, anxiety disorder, and affective disorders. Because of these comorbidities, drug combination treatments and drug-drug interactions are becoming increasingly more frequent. The present case report describes an acute dystonic reaction following the abrupt discontinuation of methylphenidate from a drug regimen with risperidone. The patient experienced acute dystonic reactions on three separate occasions when he forgot to take his methylphenidate medication. The present report informs clinicians about the possible side effects, such as dystonia, when psychostimulant and antipsychotic drug combinations are altered and suggests that the abrupt cessation of stimulants may lead to the development of movement disorders. Therefore, appropriate care is necessary when changing the dose of a drug or abruptly discontinuing a drug from a combination of psychostimulants and antipsychotics.
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PMID:Dystonia in an adolescent on risperidone following the discontinuation of methylphenidate: a case report. 2591 46