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Two medicines, side by side

Prochlorperazine vs metoclopramide

Prochlorperazine and metoclopramide are both labeled for nausea and vomiting. Drugs@FDA records approvals of prochlorperazine since 1956 and of metoclopramide since 1979. Pharmacies paid $0.162 per prochlorperazine 10 mg tablet and $0.0439 per metoclopramide 10 mg tablet (NADAC, October 7, 2026). In FDA's classes, prochlorperazine is a phenothiazine and metoclopramide a dopamine-2 receptor antagonist.

Check it at the source: the prochlorperazine FDA label on DailyMed (effective January 27, 2026); the metoclopramide FDA label on DailyMed (effective May 18, 2026).

Highlights of the prochlorperazine record

Prochlorperazine (Compro) · label of January 27, 2026

Boxed 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. Analyses of seventeen placebo-controlled trials (modal duration of 10 weeks), largely in patients taking atypical antipsychotic drugs, revealed a risk of death in drug-treated patients of between 1.6 to 1.7 times the risk of death in placebo-treated patients.

Used for

From the label: indications

For control of severe nausea and vomiting. For the treatment of schizophrenia. Prochlorperazine is effective for the short-term treatment of generalized non-psychotic anxiety. However, prochlorperazine is not the first drug to be used in therapy for most patients with non-psychotic anxiety, because certain risks associated with its use are not shared by common alternative treatments (e.g., benzodiazepines). […]

On the market

Earliest approval on file
October 23, 1956
Generic labelers
45 labelers
Pharmacy cost
$0.162 per tablet

Supply and safety

Shortage
No current entry
Recalls
3

Highlights of the metoclopramide record

Metoclopramide (Reglan) · label of May 18, 2026

Boxed warning

TARDIVE DYSKINESIA

Metoclopramide, including metoclopramide tablets, can cause tardive dyskinesia (TD), a potentially irreversible serious movement disorder. In patients treated with metoclopramide, including metoclopramide tablets, the risk of developing TD increases with duration of treatment and total cumulative dosage [see Warnings and Precautions ( 5.1 )].

Metoclopramide tablets are contraindicated in patients with a history of TD.

Used for

From the label: indications

Metoclopramide Tablets USP are indicated for the: • Treatment for 4 to 12 weeks of symptomatic, documented gastroesophageal reflux in adults who fail to respond to conventional therapy. • Relief of symptoms in adults with acute and recurrent diabetic gastroparesis. […]

On the market

Earliest approval on file
February 7, 1979
Generic labelers
39 labelers
Pharmacy cost
$0.0439 per tablet

Supply and safety

Shortage
No current entry
Recalls
10

Source: FDA drug labels via openFDA (Prochlorperazine label of January 27, 2026, Metoclopramide label of May 18, 2026); NDC Directory, Drugs@FDA, NADAC, FDA shortages and recalls (October 8, 2026)

How do prochlorperazine and metoclopramide differ on the record?

In FDA's classes, prochlorperazine is a phenothiazine and metoclopramide a dopamine-2 receptor antagonist.

Both labels carry a boxed warning; the records quote them.

Generics: prochlorperazine since 1979; metoclopramide since 1985 (Drugs@FDA).

ProchlorperazineMetoclopramide
Labeled forNausea and vomiting, Schizophrenia, AnxietyAcid reflux and ulcers, Nausea and vomiting
Pharmacologic classPhenothiazineDopamine-2 Receptor Antagonist
How it works (label)n/aMetoclopramide stimulates motility of the upper gastrointestinal tract without stimulating gastric, biliary, or pancreatic secretions.
Half-life (label)n/aThe mean elimination half-life in subjects with normal renal function was 5 to 6 hours.
Earliest approval on file (Drugs@FDA)October 23, 1956February 7, 1979
First generic approvedJuly 5, 1979July 29, 1985
Generic labelers (NDC)45 labelers39 labelers
Pharmacy cost (NADAC, each one's most listed form; strengths differ)$0.162 per tablet (Prochlorperazine 10 mg tablet)$0.0439 per tablet (Metoclopramide 10 mg tablet)
12-month price change-20%-11%
Boxed warningYesYes
Shortage nowNo current entryNo current entry
Recalls recorded310
FAERS reports (a report is not proof of cause; counts follow how widely a medicine is used)37,66776,710
DEA schedulenonenone

Source: Drugs@FDA, FDA NDC Directory, CMS NADAC of October 7, 2026, FDA shortages and recalls, FAERS via openFDA (FDA files October 8, 2026)

What next?

Alternatives to prochlorperazine
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