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Diverticulosis Diet

Maintaining a diverticulosis diet is important in eliminating diverticulitis attacks and reducing symptoms. Although most foods with small seeds, such as tomatoes, strawberries, and zucchinis, can still be eaten, certain foods that may irritate the diverticula, such as popcorn hulls and sunflower seeds, should be avoided. A proper diverticulosis diet generally includes 20 to 35 grams of fiber per day.

 

Diverticulosis Diet: An Overview

Increasing the amount of fiber in the diet may reduce symptoms of diverticulosis and prevent complications such as diverticulitis. Fiber keeps stool soft and lowers pressure inside the colon so that bowel contents can move through easily. The American Dietetic Association recommends 20 to 35 grams of fiber each day (see the following table for the amount of fiber in some foods that you can easily add to your diet).
 
Until recently, as part of a diverticulosis diet, many doctors suggested avoiding foods with small seeds, such as tomatoes or strawberries, because they believed that particles could lodge in the diverticula and cause inflammation. However, it is now generally accepted that only foods that may irritate or get caught in the diverticula cause problems. These foods include:
 
  • Nuts
  • Popcorn hulls
  • Sunflower, pumpkin, caraway, and sesame seeds.
     
The seeds in tomatoes, zucchini, cucumbers, strawberries, and raspberries -- as well as poppy seeds -- are generally considered harmless.
 
People differ in the amounts and types of foods they can eat. Decisions about diet should be made based on what works best for each person. Keeping a food diary may help identify individual items in your diet.
 
Amount of Fiber in Some Foods
Fruits
Apple, raw, with skin
1 medium = 3.3 grams
Peach, raw
1 medium = 1.5 grams
Pear, raw
1 medium = 5.1 grams
Tangerine, raw
1 medium = 1.9 grams

Vegetables
Asparagus, fresh, cooked
4 spears = 1.2 grams
Broccoli, fresh, cooked
1/2 cup = 2.6 grams
Brussels sprouts, fresh, cooked
1/2 cup = 2 grams
Cabbage, fresh, cooked
1/2 cup = 1.5 grams
Carrot, fresh, cooked
1/2 cup = 2.3 grams
Cauliflower, fresh, cooked
1/2 cup = 1.7 grams
Romaine lettuce
1 cup = 1.2 grams
Spinach, fresh, cooked
1/2 cup = 2.2 grams
Summer squash, cooked
1 cup = 2.5 grams
Tomato, raw
1 = 1 gram
Winter squash, cooked
1 cup = 5.7 grams

Starchy Vegetables
Baked beans, canned, plain
1/2 cup = 6.3 grams
Kidney beans, fresh, cooked
1/2 cup = 5.7 grams
Lima beans, fresh, cooked
1/2 cup = 6.6 grams
Potato, fresh, cooked
1 = 2.3 grams

Grains
Bread, whole-wheat
1 slice = 1.9 grams
Brown rice, cooked
1 cup = 3.5 grams
Cereal, bran flake
3/4 cup = 5.3 grams
Oatmeal, plain, cooked
3/4 cup = 3 grams
White rice, cooked
1 cup = 0.6 grams
Source: United States Department of Agriculture (USDA). USDA Nutrient Database for Standard Reference Release 15.
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Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD