Can Coffee Cause Diarrhea. Coffee and diarrhea sure, but for some people coffee can cause constipation. This has been going on since the start of the year.

For people who have made a habit of drinking a lot of very strong coffee, diarrhoea might be a symptom that it is time to cut back on either frequency.

Don't rule out alcohol or caffeine. More than two or three cups of coffee or tea daily can often cause diarrhea. Richer coffees like espresso and french roast actually have less caffeine because they're roasted longer, says orbuch. It didn't happen before, at least not this consistently. Withdraw gradually over the course of a few days to avoid headache and try going without for awhile. Ingredients in coffee, most notably caffeine, have been associated with numerous ailments over the years. Coffee does not directly cause diarrhea in most people. Coffee is a cathartic and does cause bowel movement. In fact, many people see coffee as a way to clean up their digestive tracts as well as their entire colon. Acidity in coffee can lead to diarrhea. Coffee contains caffeine, a stimulant that can help you stay awake and alert.