Prochlorperazine (Compazine, Stemzine, Buccastem, Stemetil, Phenotil) is a dopamine (D2) receptor antagonist that belongs to the phenothiazine class of antipsychotic agents that are used for the antiemetic treatment of nausea and vertigo. It is also a highly potent typical antipsychotic, 10-20x more potent than chlorpromazine. It is also used to treat migraine headaches. Intravenous administration can be used to treat status migrainosus.
Prochlorperazine (Compazine, Buccastem, Stemetil) and Pimozide (Orap) are less commonly used to treat psychotic states, and so are sometimes excluded from this classification.
It is also a highly potent typical antipsychotic, 10-20x more potent than chlorpromazine.
Dopamine receptor antagonists including typical antipsychotics such as chlorpromazine (Thorazine), fluphenazine, haloperidol (Haldol), loxapine, molindone, perphenazine, pimozide, thioridazine, thiothixene, and trifluoperazine, the atypical antipsychotics such as amisulpride, clozapine, olanzapine, quetiapine (Seroquel), risperidone (Risperdal), sulpiride, and ziprasidone, and antiemetics like domperidone, metoclopramide, and prochlorperazine, among others, which are used in the treatment of schizophrenia and bipolar disorder as antipsychotics, and nausea and vomiting.
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