Parasitic gut infections like amoebiasis, E coli infection, round worm, giardiasis can also cause
similar symptoms. Hence, you must get a stool test. Also, irritable bowel conditions like IBS, Crohn’s ulcerative colitis and celiac disease, which can cause similar symptoms can cause bleeding into the gut which is not visible to naked eye. So, an occult stool test should be done apart from stool routine and microscopic for ova and cysts of parasites.