Generic: Domperidone
Indications
Dyspeptic symptom complex, often associated with delayed gastric emptying, gastroesophageal reflux and esophagitis:
- Epigastric sense of fullness, feeling of abdominal distension, upper abdominal pain
- Eructation, flatulence, early satiety
- Nausea and vomiting
- Heartburn with or without regurgitations of gastric contents in the mouth
- Non-ulcer dyspepsia
Acute nausea and vomiting of the functional, organic, infectious, dietetic origin or induced by radiotherapy or drug therapy or induced in migraine.
Parkinson’s disease: In dopamine-agonist induced nausea and vomiting.
Radiological studies: Speeding barium transit in follow-through radiological studies.
Pharmacology
Domperidone is a dopamine antagonist that principally blocks the dopamine receptors located in the ChemoreceptorTrigger Zone (CTZ) and stomach. Its gastroprokinetic action is based on its blocking effect of dopamine receptors that have an influence on the motility of the gastrointestinal tract. Due to its weak penetration across the blood-brain barrier, Domperidone has almost no effect on the dopaminergic receptors in the brain, therefore, excluding psychotropic and neurologic side effects. Domperidone restores normal motility and tone of the upper gastrointestinal tract, facilitates gastric emptying, enhances antral and duodenal peristalsis and regulates contraction of the pylorus. Domperidone also increases esophageal peristalsis and lower esophageal sphincter pressure, and thus prevents regurgitation of gastric content.
Dosage & Administration
Domperidone should be taken 15-30 minutes before meals and, if necessary, before retiring.
The usual recommended oral dose of Domperidone is as follows:
- Adults: 10-20 mg (1-2 tablet or 10-20 ml suspension), every 6-8 hours daily. The maximum dose of Domperidone is 80 mg daily.
- Children: 2-4 ml suspension/10 kg body weight or 0.4-0.8 ml paediatric drops/10 kg body weight, every 6-8 hours daily.
In dyspeptic symptom:
- Adults: 10-20 mg (1-2 tablet or 10-20 ml suspension), every 6-8 hours daily.
- Children: 0.2-0.4 mg/kg (2-4 ml suspension/10 kg or 0.4-0.8 ml paediatric drops/10 kg) body weight, every 6-8 hours daily.
In acute and sub-acute conditions (mainly in acute nausea and vomiting):
- Adults: 20 mg (2 tablets or 20 ml suspension), every 6-8 hours daily
- Children: 0.2-0.4 mg/kg (2-4 ml suspension/10 kg or 0.4-0.8 ml paediatric drops/10 kg) body weight, every 6-8 hours daily. (In acute nausea and vomiting maximum period of treatment is 12 weeks).
By rectum in suppositories:
- Adults (including elderly): 30-60 mg every 4-8 hours.
- Children: The maximum daily dose rectally in children’s is 30 mg for those weighting 10 to 25 kg. The dose may be divided throughout day if necessary.
- The maximum period of treatment is 12 weeks.