About clarithromycin tabs
Macrolide antibiotic
Used for
- Bacterial chest and lung infections
- Sinus, throat, and ear infections
- Skin and soft-tissue infections
- Some stomach-ulcer treatment combinations
Usual adult dose
Usually 250–500 mg twice daily for 5–14 days, depending on infection; ulcer regimens vary.
Usual dose in children
Usually 7.5 mg/kg twice daily, up to 500 mg per dose; duration depends on infection.
Common side effects
- Nausea, diarrhoea, vomiting, or abdominal pain
- Altered or unpleasant taste
- Headache
- Liver problems or abnormal heart rhythm, rarely
Important warnings
- Can prolong the heart rhythm; extra caution with heart disease or low potassium.
- Seek medical assessment for severe or persistent diarrhoea, jaundice, or allergic symptoms.
- Dose adjustment may be needed with kidney impairment.
- Antibiotics do not treat viral infections.
Pregnancy
Use only when clearly needed after a clinician weighs benefits and risks; pregnancy evidence is limited.
Breastfeeding
Small amounts enter breast milk. Monitor the infant for diarrhoea, rash, or thrush.
Interactions
- Many medicines, including simvastatin, colchicine, and some heart-rhythm drugs, can interact seriously.
- Warfarin and some diabetes or seizure medicines may need monitoring.
- Antacids containing aluminium or magnesium can affect absorption timing.
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 It may be incomplete or out of date.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.