About nizatidine
Histamine-2 receptor blocker
Used for
- Treats stomach and duodenal ulcers
- Relieves heartburn and acid indigestion
- Treats gastroesophageal reflux disease
Usual adult dose
Ulcers: 300 mg once at bedtime or 150 mg twice daily. Reflux: 150 mg twice daily.
Usual dose in children
For children 12 years and older: 150 mg twice daily for reflux; dosing for younger children is weight-based.
Common side effects
- Headache
- Diarrhea
- Nausea
- Dizziness
Important warnings
- Dose reduction may be needed with kidney impairment.
- Rarely, confusion can occur, especially in older adults or people with kidney problems.
- Persistent symptoms or signs of stomach bleeding require medical assessment.
Pregnancy
Human pregnancy data are limited; use when clearly needed after a clinician weighs benefits and risks.
Breastfeeding
Small amounts may enter breast milk; discuss use with a healthcare professional, especially for newborns or premature infants.
Interactions
- Nizatidine has few important interactions; medicines whose absorption depends on stomach acidity 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 It may be incomplete or out of date.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.