What is the most common side effect of Zantac?
What is the most common side effect of Zantac? Common side effects of Zantac (ranitidine) include headaches, diarrhea and nausea. These side effects are mild and temporary. Rare, serious Zantac side effects include liver failure, acute porphyria attacks in patients with acute porphyria and pneumonia. Can Zantac cause stomach problems? Zantac can upset your stomach due to the fact that it can cause side effects that include constipation, nausea, vomiting, diarrhea, or stomach pain. Is Zantac safe now 2020? In 2020, the FDA issued a recall of all versions of a heartburn medication called ranitidine, better known as Zantac, due...