Alcohol irritates the lining of your bowels even if you don’t have IBS, but for those of us that do (%20 of the population by many estimates), that irritation can lead to belly pain, diarrhea or even constipation. If you’re currently between bouts of IBS, alcohol can trigger an attack! For other foods that may trigger IBS, see Foods to Avoid with IBS.
If you’re already struggling with diarrhea, alcohol can make it worse.