About ranitidine hcl
H2-receptor antagonist
Used for
- Short-term treatment of stomach and intestinal ulcers
- Treatment of reflux and heartburn
- Prevention of stress-related stomach bleeding in hospital
- Treatment of excess stomach acid secretion
Usual adult dose
Usually 50 mg by slow intravenous injection every 6–8 hours, or by infusion as prescribed.
Usual dose in children
In children, dosing is weight-based and varies by age and reason for use; specialist supervision is required.
Common side effects
- Headache
- Nausea or diarrhoea
- Injection-site pain or irritation
- Rarely, allergic reactions or changes in heart rhythm
Important warnings
- Injectable use requires healthcare-professional administration.
- Rarely, confusion may occur, especially in older or seriously ill people.
- Kidney impairment may require dose adjustment.
- Ranitidine products were withdrawn or restricted in many countries over contamination concerns; availability and status vary.
Pregnancy
Use only when clinically needed; available information has not established a clear increase in birth defects.
Breastfeeding
Small amounts enter breast milk; use depends on clinical need and local guidance.
Interactions
- Warfarin: monitoring may be needed.
- Some HIV medicines, antifungals, and cancer medicines may have reduced absorption.
- Check with a pharmacist about other medicines, including antacids.
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 It may be incomplete or out of date.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.