Had 3 ulcers and bad acid reflux for years, has colonoscopy and endoscopy. So Dr prescribed Nexium 40mgs which I've been taking for 3 years once a day. Side effects I started feeling after a few months were diarrhea, fatigue and leakage. So I stopped for a month and started taking it only when I felt acid reflux. Cleared up the leakage, diarrhea and fatigue. But recently I got kidney stones. This all started in my 20's taken Nexium and in my early 30s with kidney stones. Read a lot of info online stating that Nexium can cause kidney stones. Believe it's true because I drink 1 soda once a week, but drink water all the time. Anyone else experience kidney stones while on Nexium?