Domiren
Generic Name
Domperidone
Manufacturer
Incepta Pharmaceuticals Ltd.
Country
Bangladesh
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Price Details
Current market pricing information
Variant | Unit Price | Strip Price |
---|---|---|
domiren 10 mg tablet | ৳ 3.50 | ৳ 35.00 |
Description
Overview of the medicine
Domperidone is a dopamine antagonist that helps relieve nausea, vomiting, and certain gastrointestinal discomforts by speeding up the movement of food through the stomach and intestines. It is primarily used to treat symptoms of dyspepsia, gastro-oesophageal reflux disease, and nausea/vomiting.
Uses & Indications
Dosage
Adults
10 mg taken up to three times daily, 15-30 minutes before meals. Maximum daily dose is 30 mg. Treatment duration should be as short as possible.
Elderly
Use with caution. Dosage may need to be reduced, typically 10 mg once or twice daily, for the shortest duration.
Renal_impairment
In severe renal impairment (CrCl < 30 mL/min), the dosing frequency should be reduced to once or twice daily, depending on severity.
How to Take
Take Domiren-10 mg tablet orally, 15-30 minutes before meals. Do not chew or crush the tablet; swallow it whole with water.
Mechanism of Action
Domperidone acts as a peripheral dopamine D2 receptor antagonist, primarily in the chemoreceptor trigger zone (CTZ) and in the gut. By blocking dopamine receptors, it increases lower esophageal sphincter tone, improves gastric motility and emptying, and reduces emesis without significantly crossing the blood-brain barrier.
Pharmacokinetics
Onset
30-60 minutes
Excretion
Approximately 31% excreted in urine and 66% in feces over a number of days, mainly as metabolites.
Half life
7-9 hours (prolonged in patients with severe renal impairment)
Absorption
Rapidly absorbed after oral administration; peak plasma concentration reached within 1 hour. Low absolute bioavailability (approx. 15%) due to extensive first-pass metabolism.
Metabolism
Extensively metabolized in the liver by hydroxylation and N-dealkylation, primarily via CYP3A4 enzymes.
Side Effects
Contraindications
- Known hypersensitivity to Domperidone or any excipients
- Prolactinoma (a pituitary tumour)
- Moderate to severe hepatic impairment
- Conditions where gastrointestinal motility stimulation is dangerous (e.g., gastrointestinal haemorrhage, mechanical obstruction, perforation)
- Patients with known existing prolongation of cardiac conduction intervals, particularly QTc, patients with significant uncorrected electrolyte disturbances or underlying cardiac diseases (e.g., congestive heart failure)
- Concomitant use with potent CYP3A4 inhibitors (e.g., ketoconazole, erythromycin, clarithromycin, verapamil, diltiazem)
- Concomitant use with QTc-prolonging drugs
Drug Interactions
Potent CYP3A4 inhibitors (e.g., ketoconazole, erythromycin)
Increased plasma levels of domperidone and increased risk of QTc prolongation; concomitant use is contraindicated.
Antacids or antisecretory agents (e.g., proton pump inhibitors)
Reduced oral bioavailability of domperidone; take domperidone before meals and antacids/antisecretory agents after meals.
QTc-prolonging drugs (e.g., some antiarrhythmics, antipsychotics, antidepressants)
Increased risk of QTc prolongation; concomitant use is contraindicated.
Storage
Store in a cool, dry place, below 30°C. Protect from light and moisture. Keep out of reach of children.
Overdose
Symptoms of overdose include somnolence, disorientation, extrapyramidal reactions, and QT prolongation. Treatment should be symptomatic and supportive. Gastric lavage and activated charcoal may be considered if appropriate. ECG monitoring is recommended due to the risk of QT prolongation and cardiac arrhythmias.
Pregnancy & Lactation
Pregnancy: Use should be avoided unless the potential benefits outweigh the potential risks. Animal studies do not indicate direct or indirect harmful effects on reproductive toxicity. Lactation: Domperidone is excreted in breast milk in small amounts. A risk to the breast-fed infant cannot be excluded, especially with doses over 30mg daily. A decision must be made whether to discontinue breast-feeding or to discontinue/abstain from Domperidone therapy, taking into account the benefit of breast-feeding for the child and the benefit of therapy for the woman.
Side Effects
Contraindications
- Known hypersensitivity to Domperidone or any excipients
- Prolactinoma (a pituitary tumour)
- Moderate to severe hepatic impairment
- Conditions where gastrointestinal motility stimulation is dangerous (e.g., gastrointestinal haemorrhage, mechanical obstruction, perforation)
- Patients with known existing prolongation of cardiac conduction intervals, particularly QTc, patients with significant uncorrected electrolyte disturbances or underlying cardiac diseases (e.g., congestive heart failure)
- Concomitant use with potent CYP3A4 inhibitors (e.g., ketoconazole, erythromycin, clarithromycin, verapamil, diltiazem)
- Concomitant use with QTc-prolonging drugs
Drug Interactions
Potent CYP3A4 inhibitors (e.g., ketoconazole, erythromycin)
Increased plasma levels of domperidone and increased risk of QTc prolongation; concomitant use is contraindicated.
Antacids or antisecretory agents (e.g., proton pump inhibitors)
Reduced oral bioavailability of domperidone; take domperidone before meals and antacids/antisecretory agents after meals.
QTc-prolonging drugs (e.g., some antiarrhythmics, antipsychotics, antidepressants)
Increased risk of QTc prolongation; concomitant use is contraindicated.
Storage
Store in a cool, dry place, below 30°C. Protect from light and moisture. Keep out of reach of children.
Overdose
Symptoms of overdose include somnolence, disorientation, extrapyramidal reactions, and QT prolongation. Treatment should be symptomatic and supportive. Gastric lavage and activated charcoal may be considered if appropriate. ECG monitoring is recommended due to the risk of QT prolongation and cardiac arrhythmias.
Pregnancy & Lactation
Pregnancy: Use should be avoided unless the potential benefits outweigh the potential risks. Animal studies do not indicate direct or indirect harmful effects on reproductive toxicity. Lactation: Domperidone is excreted in breast milk in small amounts. A risk to the breast-fed infant cannot be excluded, especially with doses over 30mg daily. A decision must be made whether to discontinue breast-feeding or to discontinue/abstain from Domperidone therapy, taking into account the benefit of breast-feeding for the child and the benefit of therapy for the woman.
Frequently Asked Questions
Common questions about this medicine
Pack Sizes
Shelf Life
36 months from manufacturing date
Availability
Available in pharmacies nationwide
Approval Status
Approved by DGDA (Bangladesh)
Patent Status
Generic
WHO Essential Medicine
YesClinical Trials
Extensive clinical trials have established Domperidone's efficacy and safety for its approved indications, with ongoing monitoring for cardiac safety, especially at higher doses and in vulnerable populations.
Lab Monitoring
- ECG monitoring (especially in patients with risk factors for QTc prolongation or in case of overdose)
- Electrolyte levels (potassium, magnesium, calcium) if there's a risk of imbalance
Doctor Notes
- Caution advised in elderly patients and those with underlying cardiac conditions or electrolyte imbalances.
- Always assess the risk-benefit ratio before prescribing, especially for long-term use.
- Monitor for signs of cardiac adverse events; advise patients to seek immediate medical attention if symptoms occur.
Patient Guidelines
- Take this medicine 15-30 minutes before meals for best effect.
- Do not exceed the recommended dose to avoid increased risk of cardiac side effects.
- Inform your doctor about all other medications you are taking, especially heart medications or antifungals.
- Report any symptoms like palpitations, dizziness, or fainting to your doctor immediately.
Missed Dose Advice
If you miss a dose, take it as soon as you remember, but do not take a double dose to make up for the forgotten one. Skip the missed dose if it's almost time for your next scheduled dose.
Driving Precautions
Domperidone may cause dizziness or drowsiness in some individuals. If you experience these effects, avoid driving or operating machinery.
Lifestyle Advice
- Avoid consuming alcohol while on this medication, as it may worsen gastrointestinal symptoms.
- Maintain a balanced diet and regular meal times to help manage dyspeptic symptoms.
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