What is melanosis coli?Melanosis coli is a dark brown discoloration (pigmentation) of the lining of the colon walls. Melanosis coli is harmless, does not cause symptoms and can be  observed during routine colonoscopy.

What are the causes of melanosis coli?The most common cause of melanosis coli is the chronic use of laxatives such as Senna- including Senna-containing teas.

What are the treatment options?Consider stopping senna laxatives, after discussing with your provider.