The goal of treating diverticular disease is to prevent the pouches from causing symptoms or problems. Your doctor may recommend the following treatments.
1. High-fiber diet
Although a high-fiber diet may not prevent diverticulosis, it may help prevent symptoms or problems in people who already have diverticulosis. A doctor may suggest that you increase fiber in your diet slowly to reduce your chances of having gas and pain in your abdomen. Learn more about foods that are high in fiber.

2. Fiber supplements
Your doctor may suggest you take a fiber product such as methylcellulose (Citrucel) or psyllium (Metamucil) one to three times a day. These products are available as powders, pills, or wafers and provide 0.5 to 3.5 grams of fiber per dose. You should take fiber products with at least 8 ounces of water.

3. Medicines
Some studies suggest that mesalazine (Asacol) taken every day or in cycles may help reduce symptoms that may occur with diverticulosis, such as pain in your abdomen or bloating. Studies suggest that the antibiotic rifaximin (Xifaxan) may also help with diverticulosis symptoms.

4. Probiotics
Some studies show that probiotics may help with diverticulosis symptoms and may help prevent diverticulitis.5 However, researchers are still studying this subject. Probiotics are live bacteria like those that occur normally in your stomach and intestines. You can find probiotics in dietary supplements-in capsule, tablet, and powder form-and in some foods, such as yogurt. For safety reasons, talk with your doctor before using probiotics or any complementary or alternative medicines or medical practices.