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You don’t have to eat a special diet just because you’ve had an ileostomy. Most foods, chewed well and eaten slowly, won’t give you problems—unless they did before. But you may need to be more aware of foods that make your stool more watery than normal and foods that cause gas or odor. You also need plenty of fluids and vitamins.
Learning which foods cause gas or odor or make your stool too watery takes a little time. You may want to add foods back to your diet one at a time.
Eat only small amounts at first to see how your body reacts.
If a food causes a problem, wait and try it again in a few weeks. Once your system adjusts, you may find the food doesn’t give you trouble anymore.
The small intestine doesn’t absorb as much water as the colon. That means your body loses fluids and can become dehydrated more quickly. To prevent this, drink at least 8–12 cups (2–3 quarts) of fluids, such as water or juice, each day.
When the large intestine is removed or disconnected, some vitamins and medications cannot be absorbed.
Your healthcare provider may prescribe vitamin supplements or have you eat more of some foods, like bananas.
Time-release capsules and coated pills aren’t absorbed in the small intestine. Be sure all your healthcare providers know you have an ileostomy before they prescribe any medications.
Stool that’s more watery than normal (diarrhea) can be a sign of an illness, such as the flu. Some foods and medications can also cause more watery stool.
If your stool is more watery than normal, drink plenty of fluids. This helps replace lost fluids and prevent dehydration.
Avoid foods that can make the stool loose, such as raw fruits and vegetables, garlic, onions, milk, beer, and iced drinks.
Check with your healthcare provider before you take any medications for diarrhea.
Some gas is normal, but constant gas is not. Neither is constant odor from stool. What causes gas or odor can differ from person to person.
Gas is often caused by swallowing air. To avoid this, eat slowly. Chew each bite well. Sip fluids, and don’t use a straw.
If you have excess gas, you may want to go easy on beer, broccoli, Brussels sprouts, cabbage, cauliflower, corn, cucumbers, dried beans, milk, mushrooms, nuts, onions, peas, sodas, and spicy foods.
If odor is a problem, you may want to eat less asparagus, broccoli, Brussels sprouts, cabbage, cheese, eggs, fish, garlic, horseradish, and spices such as coriander, cumin, dill, and fennel.
You have nausea, vomiting, pain, cramping, or bloating.
You have a change in your normal bowel habits, such as little or no stool.
Your stool is more watery than normal for more than 5–6 hours.
The stoma changes size, or the stool is black (blood in the stool).