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Metoclopramide

Prokinetic · Antiemetic

Also known as Metoclopramide hydrochloride

ProkineticAntiemeticATC A03FA01
CDSCO approvedSchedule HATC A03FA01
Pharmacokineticsplasma · t hours
45minONSET1hPEAK5h5hDURATION
ONSET
45min · 30 to 60 min (oral); 10 to 15 min (IM); 1 to 3 min (IV)
PEAK
1h · Within 1 h (oral)
5h · 4 to 6 h
DURATION
5h · 4–6 hours
EXCRETION
not curated
INTERACTIONS
12 major
incl. contraindicated
PREGNANCY
B
FDA category + note
Top interactionssee all 12
  • LevodopaContraindicatedTextbook-citedKDT 7e · p950
  • AlimemazineSevereDatabaseDDInter
  • AmisulprideSevereDatabaseDDInter
  • AmoxapineSevereDatabaseDDInter

Mechanism

Metoclopramide has a prokinetic action. Drugs with antimuscarinic effects antagonise prokinetic drugs.

Indications

Hiccup due to gastric distension (if other measures fail)Nausea and vomiting with opioid therapy (initial stages)Nausea and vomiting associated with gastritisNausea and vomiting associated with gastric stasisNausea and vomiting associated with functional bowel obstructionNauseaVomitingprevention of nausea and vomiting (in combination with droperidol and dexamethasone)GastroparesisAdjunctive measure in medical or diagnostic GI procedures (upper endoscopy, contrast radiography)Amelioration of nausea and vomiting accompanying GI dysmotility syndromes (e.g., gastroparesis)Prevention of cisplatin-induced delayed emesisEmesis failing first-line treatmentsGastroesophageal reflux disease (GERD) (for relief of regurgitation and heartburn)postoperative vomitingdrug induced vomitingdisease associated vomiting (especially migraine)radiation sicknesschemotherapy induced nausea and vomiting (CINV)accelerate gastric emptying (when emergency general anaesthesia has to be given, postvagotomy or diabetic gastroparesis, to facilitate duodenal intubation)dyspepsia and other functional g.i. disorders (persistent hiccups)milder cases of gastroesophageal reflux disease (GERD)morning sickness (only when not controlled by other measures)Prevention of chemotherapy-induced nausea and vomiting (highly and moderately emetogenic regimens)

Dosing

Adult
subcutaneous infusion rates are so slow (0.1– 0.3 mL/hour). by subcutaneous infusion in a strength of up to 250 mg/mL;. up to a strength of 40 mg/mL either water for injections or. 10 mg/mL or in the presence of sodium chloride 0.9% or. concentration is above 2 mg/mL.
Pediatric
Not recommended for children for GERD due to safety concerns and limited efficacy
Max dose
40 mg/day for prokinetic use

Pharmacokinetics

Onset
30 to 60 min (oral); 10 to 15 min (IM); 1 to 3 min (IV)
Peak effect
Within 1 h (oral)
Duration
4–6 hours
Half-life
4 to 6 h
Bioavailability
76 ± 38%
Protein binding
Not specified
Metabolism
Sulfation and glucuronide conjugation by the liver
Excretion
Principally in the urine

Contraindications

  • Concurrent use with antimuscarinic drugs
  • Not particularly useful for the treatment of refractory GERD
  • gastroesophageal reflux disease (GERD) in children

Side effects

Common
Skin reactionsExtrapyramidal effects (dystonias, parkinsonian-like symptoms)AnxietyDepressionGalactorrheagynaecomastiasedationdizzinessloose stoolsmuscle dystonias (especially in children)
Serious
  • Tardive dyskinesia (irreversible with chronic treatment)
  • Prolonged QT intervals
  • Methemoglobinemia (in neonates)
  • parkinsonism (long-term use)
  • galactorrhoea (long-term use)
  • gynaecomastia (long-term use)

Pregnancy & lactation

Pregnancy

B

Lactation

The amount secreted in milk is small, but suckling infant may develop loose motions, dystonia, myoclonus.

Drug interactions

Levodopa
Contraindicated
Textbook-cited

Loss of antiparkinsonian effect; worsening of parkinsonism.

Concurrent use is contraindicated

Source: KDT 7e · p950

Alimemazine
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Amisulpride
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Amoxapine
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Aripiprazole
Severe
Database

Drug interaction classified as: synergy.

Source: DDInter

Asenapine
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Brexpiprazole
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Bupropion
Severe
Database

Drug interaction classified as: metabolism.

Source: DDInter

Cariprazine
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Clozapine
Severe
Database

Drug interaction classified as: synergy.

Source: DDInter

Deutetrabenazine
Severe
Database

Clinical effect not specified

Source: DDInter

Dextropropoxyphene
Severe
Database

Clinical effect not specified

Source: DDInter

Related guidelines

Other Prokinetic drugs

Ask House about Metoclopramide

Continue into a citation-backed clinical answer with the drug context already attached.

Sources: KD Tripathi 7e, Goodman & Gilman 14e, Harrison 22e, BNF·Verified: 2026-05-10 · House clinical team