Does Ranitidine Cause Diarrhea?

H2 “acid” blockers like cimetidine (Tagamet) and ranitidine (Zantac), along with the proton pump inhibitors (PPIs) like omeprazole (Prilosec), pantoprazole (Protonix), and esomeprazole (Nexium) may cause diarrhea because they inhibit gastric acid secretion in the gut (they decrease the amount of stomach acid).

Is diarrhea a side effect of ranitidine?

Common ranitidine side effects may include: nausea, vomiting, stomach pain; or. diarrhea, constipation.

Can ranitidine cause bowel problems?

Zantac side effects may include: Stomach pain. Constipation. Diarrhea.