Summary. Gastritis is found among people who take Clindamycin hydrochloride, especially for people who are male, 40-49 old , have been taking the drug for 1 month, also take medication Cleocin T, and have Oral contraception. eR doc asked about my meds, looked them up and all 3 can cause palpitations so I was told to stop them. Got up this morning to stomach pain and nausea that worsened all day. All I have here is Pepto Bismol, Gas X and Alprazolam. Gas can cause a whole lot of pain when it builds up in the tummy. If you have no anti-gas stuff, you can try the over-the-counter Alka Seltzer that does NOT have aspirin in it, just regular bubble stuff (not cold medicine or anything else). It will release the gas in your tummy. Just take it whenever you feel the pain. The information reflected here is dependent upon the correct functioning of our algorithm. From time-to-time, our system might experience bugs or glitches that affect the accuracy or correct application of mathematical algorithms. Clindamycin can cause diarrhea, which may be severe or lead to serious, life-threatening intestinal problems. If you have diarrhea that is watery or bloody, stop using this medicine and call your doctor. The information reflected here is dependent upon the correct functioning of our algorithm. From time-to-time, our system might experience bugs or glitches that affect the accuracy or correct application of mathematical algorithms. Hi, Gastritis can cause those symptoms! Stress is now known not to be the primary cause for gastritis / ulcers - instead it is due to a bacteria called H. Pyelori. I had 2 polyps removed and found out I have gastritis and mild diverticulis. I was concerned that the clindamycin might aggravate them. And I didn't care much for the warning on the pamplet that the pharmacist gave me for my medication. Introduction This page is designed to help you determine the relationship, if any, between CLINDAMYCIN and GASTRITIS. In doing so, we compare CLINDAMYCIN with other drugs that cause GASTRITIS, to help you evaluate whether or not CLINDAMYCIN causes GASTRITIS. Doctor answers on Symptoms, Diagnosis, Treatment, and More: Dr. Khanna on can antibiotics cause gastritis: This terms means inflammation of the stomach. The most common cause is Helicobacter pylori, but certainly a variety of chemical agents could conceivably do this. My advice would be to see a doctor and be fully assessed and managed.