Hello, 1) there is no association between your medication and your symptoms but you should be concerned. 2) Do you have more mucus discharge along with passing stool? Do you have mild abdominal pain, occasional bleeding in stool? 3) there might be possibility of having non-specific intestinal infection, irritable bowel syndrome, inflammatory bowel disease. 4) first condition require stool test to be done, if it comes negative then to rule out last two condition, colonoscopy id required 5) For last two conditions it is advisable to take gluen-free, starch-free diet.