Cimetidine 300 mg/2 ml (2 ml ampoule)

Indication

H2-receptor antagonist used when oral treatment is not possible for duodenal and gastric ulcers, pathological hypersecretory conditions (such as Zollinger-Ellison syndrome), prevention of stress ulcer bleeding and upper gastrointestinal bleeding.

Ingredients

• Cimetidine 300 mg/2 ml

Direction

For IM or IV use, given by a healthcare professional. Usual adult dose is 300 mg every 6 to 8 hours by IM injection or slow IV injection/infusion (diluted, over at least 5 minutes), not exceeding 2,400 mg per day; reduce dose in kidney impairment, as prescribed by the doctor.

Side effects

• Headache
• dizziness
• diarrhoea
• muscle pain
• rash.
• Confusion (especially in the elderly or severely ill).
• Rarely breast enlargement
• low heart rate or low blood pressure after rapid IV injection.
• Consult a doctor or pharmacist before use and stop if irritation or allergy occurs.

Precautions

• Do not use if allergic to cimetidine or other H2
• receptor antagonists.
• Reduce dose in kidney or liver impairment and in the elderly.
• Interacts with many drugs (e.g. warfarin
• phenytoin
• theophylline)
• tell your doctor about all medicines you take.
• Use in pregnancy and breastfeeding only if clearly needed.
• Consult a doctor or pharmacist before use and stop if irritation or allergy occurs.