What to eat during a UC flare

Why diet matters during a flare

During an active UC flare, the lining of your colon is inflamed and irritated. Certain foods pass through more easily and are less likely to aggravate symptoms. The goal during a flare is not a permanent diet — it is a temporary approach to help your gut rest while medical treatment does its work.

Foods that may help during a flare

• White rice or plain pasta — low fiber, easy to digest
• Boiled or baked chicken or fish — lean protein without added fat
• Soft cooked carrots, zucchini, or squash — peeled and well-cooked
• Bananas — low fiber, gentle on the digestive system
• Applesauce (no added sugar)
• White toast or crackers
• Eggs — well-tolerated by most people
• Broth or soup — helps with hydration
• Oatmeal (plain) — soluble fiber is generally better tolerated than insoluble

Foods to avoid during a flare

• Raw vegetables and salads
• Whole grains, bran, and high-fiber foods
• Nuts, seeds, and popcorn
• Dairy products (if you are sensitive to lactose)
• Spicy foods and hot sauces
• Alcohol
• Caffeine and coffee
• Carbonated drinks
• Fried or fatty foods

Staying hydrated during a flare

Frequent diarrhea can cause dehydration. Drink plenty of water throughout the day. Electrolyte drinks (without artificial sweeteners) or oral rehydration solutions can also help, especially if you are losing a lot of fluid.

When to contact a doctor

Dietary changes are a supporting measure — they do not treat UC on their own. If your flare is getting worse, you cannot keep food or fluids down, you are losing significant weight, or you have significant blood in your stool, contact your doctor promptly.