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Constipation

Pain medicines, changes in your eating habits, and being less active can cause your bowels to move less often and stools to become harder to pass (constipation). If you are constipated, try eating high-fiber foods. Also drink plenty of fluids during the day, eat at regular times, and increase your physical activity.

What to do

  • Try to eat at the same times each day.
  • Try to have a bowel movement at the same time each day to establish regularity.
  • Drink 8 to 10 cups of liquid each day, if OK with your doctor. Try water, prune juice, warm juices, teas, and hot lemonade.
  • If you are prone to constipation, try to establish a regular bowel plan. This may include such over-the-counter medicines as Senekot or Colace. You may also want to try Metamucil or other preparations containing psyllium fiber.
  • Use laxatives only as directed by your doctor. Contact your doctor or nurse if you have not had a bowel movement for 3 days or longer.
  • Limit drinks and foods that cause gas if it becomes a problem. (See list below.)
  • To lessen the amount of air you swallow while eating, try not to talk much at meals, drink without straws, and avoid chewing gum and carbonated beverages.
  • If it's OK with your doctor, eat high-fiber and bulky foods, such as whole grain breads and cereals, fruits and vegetables (raw and cooked with skins and peels on), popcorn, and dried beans. Add these slowly to your diet to avoid bloating and gas.
  • Eat a breakfast that includes a hot drink and high-fiber foods.
  • Ask your dietitian to recommend a high-calorie, high-protein, fiber-containing liquid supplement if you need more calories, protein, and fiber.
  • Increase your activity as much as you can and if it's OK with your doctor.

Foods that may cause gas

beans and peas, dried rutabaga avocado
string beans broccoli nuts
brussels sprouts cabbage sauerkraut
turnip greens radishes cauliflower
milk melons spinach
mushrooms beer apples (raw), apple juice
deep fried foods eggs fatty foods
cucumbers corn fish
pickles onions, leeks, scallions sweet potatoes
strong cheese mustard spicy foods
kohlrabi collards lentils
peppers asparagus pastries

Other factors that may contribute to gas

  • chewing gum
  • not taking in enough fluids
  • lack of exercise
  • using straws
  • chewing with your mouth open
  • constipation
  • eating a lot of high fiber foods

High-fiber foods to choose more often*

Breads and Cereals Serving Size Dietary Fiber (grams)
bran cereals 1/2 cup 3-13
popcorn 2 cups 5
brown rice 1/2 cup 6
whole wheat bread 1 slice 1-2
whole wheat pasta 1/4 cup 6
wheat bran, raw 1/4 cup 6
 

Legumes

kidney beans 1/2 cup 8
navy beans 1/2 cup 9
nuts 1 oz 3
 

Vegetables

broccoli 1/2 cup 4
brussels sprouts 1/2 cup 3
carrots 1/2 cup 2
corn 1/2 cup 5
green peas 1/2 cup 3
potato with skin 1 medium 3
 

Fruit

apple with peel 1 medium 4
banana 1 medium 2
blue berries 1/2 cup 2
pear with skin 1 medium 5
prunes 3 3
orange 1 medium 3
raisins 1/4 cup 3
strawberries 1 cup 3

*Adapted from Eldridge B, and Hamilton KK, Editors, Management of Nutrition Impact Symptoms in Cancer and Educational Handouts Chicago, Il: American Dietetic Association; 2004.

Revised: 02/04/2008

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