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atypical antipsychoticA dibenzepine-type antipsychotic which differs from conventional antipsychotics in its paucity of extrapyramidal effects (tremor, muscle stiffness and restlessness).
Insomnia, anxiety, agitation, sedation, dizziness, rhinitis, orthostatic hypotension, tachycardia, weight gain, menstrual disturbances, seizures; rarely, severe granulocytopaenia or agranulocytosis; should not be used in patients with liver, brain or circulatory defects.
Clozapine (Clozaril), ziprasidone (Geodon), loxapine (Loxitane), olanzapine (Zyprexa), resperidone (Risperdal), quetiapine (Seroquel).
antipsychotic(ant?i-si?kot'ik) [ anti- + psychotic]
1. Preventing or treating psychosis, e.g., schizophrenia.
2. A medication to treat psychosis.
atypical antipsychoticSecond-generation antipsychotic.
A neuroleptic drug. They treat psychotic disorders and other psychiatric diseases. Side effects include extrapyramidal (Parkinsonian) reactions. Synonym: conventional antipsychotic See: neuroleptic (1)
conventional antipsychoticFirst-generation antipsychotic.
An antipsychotic drug that causes increased appetite, weight gain, and adverse effects on lipids. They differ from first-generation antipsychotics in that they are less likely to cause extrapyramidal side effects or tardive dyskinesia.Synonym: atypical antipsychotic