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October 3, 2019

Talking to your patients about ranitidine

The recent FDA safety alert might be causing concern among your patients about their heartburn treatment.

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The FDA recently released several safety alerts on ranitidine formulations, including the brand-name drug Zantac, that were found to contain a nitrosamine impurity called N-nitrosodimethylamine (NDMA) at low levels. NDMA is classified as a probable human carcinogen (a substance that could cause cancer) based on results from laboratory tests and animal studies. NDMA is a known environmental contaminant and found in water and foods, including meats, dairy products, and vegetables. This contaminant is similar to was recently found in losartan, an angiotensin II receptor blocker used to treat hypertension, that was recalled by the FDA.

The FDA is continuing to test ranitidine products from multiple manufacturers and is assessing the potential impact on patients who have been taking ranitidine.

With the voluntary recall of 14 lots of prescription ranitidine capsules distributed by Sandoz Inc., as well as the voluntary recall of over-the-counter (OTC) ranitidine tablets (75 mg and 150 mg), labeled by Walgreens, Walmart, and Rite-Aid and manufactured by Apotex Corp, your patients might be asking a lot of questions about whether to continue to using their medicines and what alternatives are available.

Talking to your patients

The FDA safety alerts have been covered by various media outlets since early September. This may cause your patients to question whether they should stay on or start using ranitidine products. When discussing the recall with your patients, let them know that:

    • Ranitidine is an H2 blocker (antihistamine) — available OTC and in prescription strength — used to prevent and relieve heartburn associated with acid ingestion and sour stomach. It reduces stomach acid and works longer but not as quickly as antacids.
    • Not all ranitidine medicines marketed in the U.S. are being recalled and the FDA is not recommending individuals stop taking all ranitidine medicines at this time.
    • It might be prudent to hold off taking Zantac until a final FDA conclusion.
    • Multiple drugs are approved for the same or similar uses as ranitidine. Other treatment options are available, both prescription and OTC, for patients who are concerned about ranitidine.
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