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Perazine

What is perazine?

First generation ‘typical’ antipsychotics such as perazine are an older class of antipsychotic than second generation ‘atypical’ antipsychotics. They are used primarily to treat positive symptoms including the experiences of perceptual abnormalities (hallucinations) and fixed, false, irrational beliefs (delusions). First generation antipsychotics may cause side effects which can differ depending on which antipsychotic is being administered and on individual differences in reaction to the drug. Reactions may include dyskinesias such as repetitive, involuntary, and purposeless body or facial movements, Parkinsonism (cogwheel muscle rigidity, pill-rolling tremor and reduced or slowed movements), akathisia (motor restlessness, especially in the legs, and resembling agitation) and dystonias such as muscle contractions causing unusual twisting of parts of the body, most often in the neck. These effects are caused by the dopamine receptor antagonist action of these drugs.

What is the evidence for perazine?

Moderate quality evidence finds no differences in retaining people in treatment between perazine and other antipsychotics (amisulpride, haloperidol, olanzapine, ziprasidone, zotepine). There were also no differences in adverse events.

October 2020

Last updated at: 3:59 am, 14th October 2020
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Fact Sheet Technical Commentary

NeuRA Libraries

Title Colour Legend:
Green - Topic summary is available.
Orange - Topic summary is being compiled.
Red - Topic summary has no current systematic review available.