Skip to content

Ranitidine

Published: July 26, 2026Updated: August 25, 2026

Zantac (ranitidine) is a brand-name H2 receptor antagonist that was used to reduce stomach acid production. It was prescribed to treat conditions such as gastroesophageal reflux disease (GERD), peptic ulcers, and heartburn. Note: This medication has been recalled and withdrawn from the market in many countries due to concerns about a potential carcinogenic contaminant.

Quick summary

Zantac is a stomach acid reducer that was used for heartburn, GERD, and ulcers but has been withdrawn from the market due to safety concerns.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

RxNorm
152523
Generic
Zantac
Class
brand-name
Brands
—
Availability
rx
Lactation
unknown
Routes
—
Forms
—
Regions
US, EU, CN, JP
Monitoring
—

This page is for informational purposes only.

Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.

Was used to treat and prevent heartburn, acid indigestion, gastroesophageal reflux disease (GERD), peptic ulcers, and conditions where excessive stomach acid secretion occurs.

Worked by blocking histamine H2 receptors in the stomach lining, which decreased acid production and provided relief from acid-related conditions.

Zantac was recalled globally due to detection of NDMA, a probable human carcinogen. Patients were advised to consult healthcare providers for alternative treatments. Always discuss current medication availability with a pharmacist or doctor.

Official drug label

WellAlly may earn a referral fee from linked resources at no extra cost to you. Editorial content is never influenced by commercial relationships.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy