Home › Forums › General Discussion › If you suffer from reflux… This topic has 0 replies, 1 voice, and was last updated 9 months, 3 weeks ago by Maz. Viewing 1 post (of 1 total) Author Posts September 20, 2019 at 9:29 am #464868 MazKeymaster Heartburn Medication Warning: What You Need to KnowFDA warns of possible cancer-causing impurity in some ranitidine medicines The US Food and Drug Administration (FDA) has discovered that some medications used for acid reflux contain low levels of a possible cancer-causing impurity. These medications are found under the names ranitidine (active ingredient) and Zantac (brand). These drugs are available over the counter and via prescription. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.