Sanofi to Recall Zantac in U.S. and Canada on Carcinogen Concern

Sanofi is voluntarily recalling heartburn medication Zantac in the U.S. and Canada amid worries that the medicine may be tainted with a compound that could cause cancer.

The French pharma company’s announcement follows decisions from major drugstore operators in the U.S., including Walgreens Boots Alliance Inc. and Walmart Inc., to pull the medication from store shelves. In addition, manufacturers have recalled some generic versions of Zantac products known as ranitidine.

Due to inconsistencies in preliminary test results of the key ingredient used in the U.S. and Canadian products, Sanofi decided to carry out the recall in those countries as ...