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Any of a group of drugs, such as the phenothiazines or butyrophenones, that are used to treat psychosis. Also called major tranquilizer.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
antipsychoticadjective Referring to an antipsychotic drug.
noun Any drug that attenuates psychotic episodes.
Phenothiazines, thioxanthenes, butyrophenones, dibenzoxazepines, dibenzodiazepines, diphenylbutylpiperidines.
Main types of antipsychotics
Typical and atypical, which differ in their side/adverse effects.
Management of schizophrenic, paranoid, schizo-affective and other psychotic disorders; acute delirium, dementia, manic episodes (during induction of lithium therapy), control of movement disorders (in Huntington’s disease), Tourette syndrome, ballismus, intractable hiccups, severe nausea and vomiting (by blocking the medulla’s chemoreceptor trigger zone).
Extrapyramidal effects (dystonia, akathisia, parkinsonism), tardive dyskinesia due to blocking of basal ganglia; sedation and autonomic side effects (orthostatic hypotension, blurred vision, dry mouth, nasal congestion and constipation) are due to blocking of histaminic, cholinergic and adrenergic receptors.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.