I have been diagnosed with ulcerative colitis after a colonoscopy. I have been on mesacol 1.2g twice a day for past one month with some other vitamins. My frequency of taking a dump is 2 to 4 times a day. No urgency faced. Regular motion. Just that I pass mild blood and mucus/pus once in 3 to 4 days. I face no other problem at all. I am an officer in Merchant Navy and I need to be at sea for 6 months. My concern is can I face some serious issue if I take proper medicine and avoid tobacco, alcohol and spices. Will I pass mild blood once in a while. Is that normal in this condition? Any advice would be great as we don't have medical specialist on ships.