 [ Symptoms ] my husband woke up with pain all over pain intensity 9 on a scale of 1 10 [ Disease ] the first thing to do is to make sure your colitis is being treated properly if you are going many times per day you might need different medications or probiotics along with the attention of a doctor second you want to watch your diet when your colitis is acting up it could benefit you to eat a diet low in fiber that means cooking veggies eating soft fruits without the skin and not as many whole grain items you also may want to keep a food journal to identify any foods that trigger your symptoms for more on diet for ulcerative colitis see this webmd article if you can get better control of your colitis than you can focus on gaining weight make sure you eat frequently throughout the day consuming a variety of food groups protein grains fat fruit vegetables and dairy especially those with protein and fat at extra calories where you can    smother avocado on toast add cheese to eggs and include mayo and nut butters in sandwiches maximize calories by choosing full fat dairy products and cooking vegetables with fats such as olive oil a registered dietitian can help you if you are not successful on your own to find one go to eatright org  good luck