FDA is requesting immediate removal of all Rx and over-the-counter ranitidine (Zantac) from the U.S. market. https://go.usa.gov/xvC7t ">https://go.usa.gov/xvC7t&quo...

An impurity known as NDMA in some ranitidine products increases over time and when stored at higher than room temperatures, may result in consumer exposure to unacceptable levels of this impurity.