About omeprazol e
Proton pump inhibitor
Used for
- Acid reflux and heartburn
- Stomach and duodenal ulcers
- H. pylori infection, together with antibiotics
- Conditions causing excessive stomach acid
Usual adult dose
Usually 20–40 mg once daily before food for 4–8 weeks. H. pylori treatment requires antibiotics; excessive acid conditions may need higher doses.
Usual dose in children
Age 1 year and older: usually 5–20 mg once daily, depending on weight and condition.
Common side effects
- Headache
- Stomach pain
- Nausea or vomiting
- Diarrhea or constipation
Important warnings
- Persistent vomiting, swallowing difficulty, or unexplained weight loss require assessment.
- Vomiting blood or black stools requires urgent medical attention.
- Long-term use may lower magnesium or vitamin B12 levels.
- Rarely causes kidney inflammation or severe, persistent diarrhea.
Pregnancy
Can be used during pregnancy when needed; available evidence does not suggest an increased risk of birth defects.
Breastfeeding
Passes into breast milk in small amounts; generally considered compatible with breastfeeding.
Interactions
- Clopidogrel: may reduce its protection against blood clots.
- Warfarin, phenytoin, or digoxin: effects or blood levels may increase.
- High-dose methotrexate: levels and toxicity may increase.
- Rilpivirine: combination must be avoided because antiviral effectiveness decreases.
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 It may be incomplete or out of date.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.