Lymphocytic colitis is a condition that is chronic non-bloody watery diarrhea. Lymphocytic colitis is a disease that causes a person's colon to become inflamed. The exact cause of the condition is unknown, but it does not increase a person's risk for colon cancer.

There is actually no definite answer to your question. Some reports have shown that people who used NSAIDs, especially antidepressants are more likely to get this disease.

Well, your bowel movements will be far from solid. Your bowels will be inflamed, so you will likely be very uncomfortable for as long as thing goes on.

It means that it may not be a true ulcerative colitis but may be colitis related to some infection or antibiotic induced colitis

There are several sites that have information about colitis and diets for colitis. Here are two websites that might be able to help you: http://colitis.emedtv.com/ulcerative-colitis/ulcerative-colitis-diet.html AND http://www.webmd.com/ibd-crohns-disease/ulcerative-colitis/creating-an-ulcerative-colitis-plan