About Imodium Instant Melts Tablets
Antidiarrheal opioid receptor agonist
Used for
- Short-term relief of sudden diarrhoea
- Control of diarrhoea in some chronic bowel conditions
Usual adult dose
Acute diarrhoea: 4 mg initially, then 2 mg after each loose stool; maximum 12 mg daily without medical supervision.
Usual dose in children
Age 12 and over: use the adult dose. Not recommended for younger children without medical supervision.
Common side effects
- Constipation
- Nausea
- Headache
- Dizziness
Important warnings
- Seek medical care for bloody stools, fever, severe pain, or dehydration.
- Stop and seek advice if diarrhoea lasts over 48 hours.
- Do not use with severe constipation or suspected bowel blockage.
- Taking too much can cause dangerous heart rhythm problems.
Pregnancy
Generally not recommended during pregnancy unless a clinician advises it.
Breastfeeding
Small amounts may enter breast milk; ask a clinician before use.
Interactions
- Quinidine or ritonavir may increase loperamide levels.
- Itraconazole or ketoconazole may increase loperamide levels.
- Other medicines that slow bowel movement may increase constipation risk.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.