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Prochlorperazine

Prochlorperazine is an active ingredient of the class «antipsychotics».

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Chemical compound

Informational only — not medical advice. Ask a doctor or pharmacist; never change a dose on your own.

Boxed warning (US label)

WARNING Increased Mortality in Elderly Patients with Dementia-Related Psychosis Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death.

What it is used for

To control severe nausea and vomiting. For the treatment of schizophrenia. Prochlorperazine has not been shown effective in the management of behavioral complications in patients with mental retardation.

US label

How it works

Class: antipsychotics

Common side effects

Drowsiness, dizziness, amenorrhea, blurred vision, skin reactions and hypotension may occur. Neuroleptic Malignant Syndrome (NMS) has been reported in association with antipsychotic drugs.

US label

Who should not take it

Do not use in patients with known hypersensitivity to phenothiazines. Do not use in comatose states or in the presence of large amounts of central nervous system depressants (alcohol, barbiturates, narcotics, etc.).

US label

Pregnancy and breastfeeding

NON-TERATOGENIC EFFECTS Neonates exposed to antipsychotic drugs, during the third trimester of pregnancy are at risk for extrapyramidal and/or withdrawal symptoms following delivery.

There is evidence that phenothiazines are excreted in the breast milk of nursing mothers. Caution should be exercised when prochlorperazine is administered to a nursing woman.

Excerpts from the US prescribing label (public domain), copied without changes.

Interactions

Recorded interactions from open sources (Wikidata, US labels). The list is not complete — ask a pharmacist.

Brand names

United States

Compazine

Canada

Odan-Prochlorperazine · Prochlorazine

Other trade names

Buccastem · Buccastem m · Compro · Procomp · Proziere · Stemetil eff · Vertigon

Approval status

US Food and Drug Administration
prescription · since 1956
Health Canada
prescription · marketed
First approval anywhere
1956

Codes

ATC
N05AB04
RxNorm CUI
8704
ChEMBL
CHEMBL728
PubChem CID
4917
UNII
YHP6YLT61T
Wikidata
Q2359690

Frequently asked questions

What is Prochlorperazine used for?

Prochlorperazine is used for: Dementia, Anxiety disorder, Schizophreniform disorder, Vomiting, Postoperative nausea and vomiting, Psychotic disorder, Anxiety, and Schizophrenia.

What kind of medicine is Prochlorperazine?

Prochlorperazine is an active ingredient of the class «antipsychotics».

What are the brand names of Prochlorperazine?

Brand names of Prochlorperazine include Compazine, Odan-Prochlorperazine, Prochlorazine, Buccastem, Buccastem m, Compro, Procomp, and Proziere.

Medicines in the same class

Sources and licences

Updated November 15, 2026