Colofac IBS Tablets are a group of medicines called antispasmodics, which are used to treat the symptoms of irritable bowel syndrome (IBS). This is a very common condition which causes spasm and pain in the gut or intestine. Colofac IBS Tablets are formulated for the effective relief of abdominal pain, cramps, bloating and wind, diarrhoea or constipation associated with irritable bowel syndrome.