Ostomy Diet Education: Manage Gas, Output & Blockages

Enjoying good food is a huge part of a happy life. But as we figure out our own personal ostomy diets, certain foods can sneak up on us and cause a little trouble. Understand what foods to avoid with ostomy to help prevent the three common ostomy problems:

  • Excessive gas
  • Watery output
  • Stoma blockages

By managing these, we can stress less and get back to simply enjoying our food and our lives!

Excessive Gas

The swelling of an ostomy bag and those little bubbling noises are hard to ignore. In addition to "big gas producers" such as beans, onions, broccoli and carbonated drinks, your eating habits are just as important. Using straws, not chewing enough, or chatting while eating can cause you to swallow excess gas.

What are the symptoms of gas in stoma bag?

When a large amount of gas enters the pouch, it creates Ballooning. If this gas isn't released promptly, the pressure can build up and compromise the seal, increasing the risk of peristomal leakage or causing the charcoal filter to clog and fail.

How to reduce gas in stoma bag?

If your schedule doesn't allow for small, frequent meals, try to chew your food thoroughly—aiming for over 20 chews per bite. Eating slowly can benefit those with a stoma by significantly reducing the amount of air entering the digestive tract.

Emptying or changing your pouch regularly and using an ostomy filter can help reduce the risk of leakage [Learn how to prevent ostomy leaks]. Taking a gentle walk after meals to promote peristalsis.

 

Watery Output

If your output remains watery for a long time, your skin barrier can easily get damaged, and you also face the risk of dehydration. Stoma output can vary a lot from day to day for ostomates, You can refer to [Ileostomy Output: What’s Normal, What’s Not, and How to Manage It] to accurately identify situation. This allows water to be properly absorbed in your small intestine.

What are the symptoms of watery output?

Watery output is highly fluid and corrosive because it is rich in digestive enzymes. Once it seeps under the edges of your pouching system, it can erode the skin barrier, leading to redness, stinging, and even peristomal dermatitis. This forces you to change your baseplate way more often.

How to control watery stoma output?

Try the classic "BRAT diet"—which stands for Bananas, Rice, Applesauce, and Toast. These foods help thicken your stool consistency. When you notice your output getting thinner, keep a closer eye on your skin folds and creases. 
If you have diarrhea, increase your intake of salt and carbohydrate to prevent becoming rapidly dehydrated.

 

Stoma Blockage

A food blockage is the one emergency you really need to watch out for. It happens when a clump of undigested fiber gets stuck right at the stoma opening. It’s not just painful—it can actually be pretty dangerous.

If you don’t chew foods like nuts, corn, popcorn, or tough veggies (like mushrooms or celery) very well, the pieces can be bigger than the stoma and get stuck.

What are the symptoms of a stoma blockage?

It usually starts with cramps that come and go. Your stoma might swell up or look a little purple because of the pressure. Your output may suddenly stop, or you may only see a small amount of clear, watery liquid. If it doesn’t get better, you may start to feel sick or even vomit. that’s a major red flag for a bowel obstruction.

How to control stoma blockage?

Stop eating solids immediately. Sip warm drinks like tea or warm water to help things move.
Try the “knee-chest” position. Get on your hands and knees, chest down and hips up (like a cat stretch). Gently massage your belly and let gravity help.
Take a hot bath. The heat can relax your stomach muscles and ease the cramps.

Important: How long can a stoma blockage last? If you’re vomiting, or things don’t get better after a few hours, get medical help right away. Do not try to give yourself an enema or flush the stoma at home.

 

Having a stoma doesn’t mean you lose the joy of good food. It’s really a process of learning how your body and food work together. The more you understand about living with a stoma, the more freedom you can have in daily life. This freedom comes from understanding the small details. You can learn more and feel more confident from these two in-depth guides:
[Ileostomy Diet: What to Eat, What to Avoid, and How to Stay Hydrated]
[Colostomy Diet: What to Eat and What to Avoid]

 

Back to blog