What drug class is ranitidine?

ranitidine is classified as a Histamine H2 Receptor Antagonists.

Is there a generic version of ranitidine?

Yes, generic versions of ranitidine are available. See the Exact Equivalents section above for FDA-rated generic alternatives.

How does ranitidine work?

ranitidine mechanism of action information is available in the Drug Information section of this page.

Ranitidine

Also sold as: Zantac

Histamine H2 Receptor AntagonistsPrescription OnlyGeneric Available

Related Medications

Important: Only drugs listed as "Exact Equivalents" (FDA AB-rated) are confirmed interchangeable. All other listings are for informational reference only and do NOT indicate that drugs can be substituted without a physician's explicit guidance.

Same Pharmacologic Class

These drugs share a pharmacologic classification but are NOT interchangeable. Listing here does not imply clinical equivalence. A physician must evaluate each drug individually for the patient's specific condition.

Classification: Histamine H2 Receptor Antagonists (source: RxClass/NLM)

Insurance Coverage User-Reported

Community Data Disclaimer: Insurance coverage information below was submitted by RxSaurus users and has not been verified by RxSaurus. Coverage varies by plan, year, geography, and individual circumstances. Drug formulary status, prior authorization requirements, and tier placements change frequently. Always verify coverage directly with the patient's insurance plan or pharmacy benefits manager before prescribing or dispensing.

No community coverage data yet for ranitidine.

Coverage data submission coming soon.

Drug Information

Indications & Uses

Use(s) relieves heartburn associated with acid indigestion and sour stomach prevents heartburn associated with acid indigestion and sour stomach brought on by eating or drinking certain foods and beverages

Dosage & Administration

Directions adults and children 12 years and over: to relieve symptoms, swallow 1 tablet with a glass of water to prevent symptoms, swallow 1 tablet with a glass of water 30 to 60 minutes before eating food or drinking beverages that cause heartburn can be used up to twice daily (do not take more than 2 tablets in 24 hours) children under 12 years: ask a doctor

Warnings & Precautions

Warnings Allergy alert: Do not use if you are allergic to ranitidine or other acid reducers Do not use if you have trouble or pain swallowing food, vomiting with blood, or bloody or black stools.These may be signs of a serious condition. See your doctor. with other acid reducers Ask a doctor before use if you have had heartburn over 3 months. This may be a sign of a more serious condition. heartburn with lightheadedness, sweating or dizziness chest pain or shoulder pain with shortness of breath; sweating; pain spreading to arms, neck or shoulders; or lightheadedness frequent chest pain frequent wheezing, particularly with heartburn unexplained weight loss nausea or vomiting stomach pain kidney disease Ask a doctor or pharmacist before use if you are • taking a prescription drug. Acid reducers may interact with certain prescription drugs. Stop use and ask doctor if your heartburn continues or worsens you need to take this product for more than 14 days If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222).

Verify with Primary Sources

Always verify clinical information with authoritative sources.

DailyMed (NLM/NIH)FDA-approved drug labeling↗FDA Orange BookTherapeutic equivalence data↗RxNorm (NLM/NIH)Drug nomenclature & relationships↗