About nizatidine
H2-receptor blocker
Used for
- Treats stomach and duodenal ulcers
- Relieves heartburn and acid indigestion
- Treats gastroesophageal reflux disease
Usual adult dose
Usually 150 mg twice daily for reflux or ulcers; ulcer treatment commonly lasts 4–8 weeks.
Usual dose in children
For children aged 12 years and older, usual dosing is 150 mg twice daily; younger children require specialist-directed dosing.
Common side effects
- Headache
- Diarrhea or constipation
- Dizziness
- Nausea
Important warnings
- Dose reduction may be needed with kidney problems.
- Rarely, confusion can occur, especially in older adults or people with kidney impairment.
- Persistent symptoms or bleeding may indicate a serious condition.
Pregnancy
Human pregnancy data are limited; use only when a clinician considers it necessary.
Breastfeeding
Small amounts may enter breast milk; discuss use with a healthcare professional.
Interactions
- Antacids may reduce absorption; separate doses if advised.
- Medicines needing stomach acidity for absorption may be affected.
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 It may be incomplete or out of date.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.