🔬 GastrointestinalTablet (limited availability)
Zantac
Ranitidine
H2 receptor antagonist historically used for heartburn and ulcers; current US availability limited due to NDMA concerns.
Form
Tablet (limited availability)
Uses
2
Side effects
3
Category
Gastrointestinal
01
What is Zantac used for?
- Heartburn (historical use)
- Peptic ulcer disease (historical use)
02
Ranitidine side effects
Common side effects of Ranitidine include:
Headache
Constipation
Diarrhea
CommonModerateLess common
03
Ranitidine warnings & precautions
- FDA requested withdrawal in 2020 due to NDMA contamination concerns
- Most patients now use famotidine instead
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04
Frequently asked questions
05
Related medications
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Disclaimer: This information is sourced from the FDA openFDA database and is provided for educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or pharmacist before starting or changing medication.