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celiac-and-constipationWhen most people think about celiac disease, “diarrhea” is one of the first symptoms that comes to mind. Constipation rarely comes to mind. Even doctors frequently do celiac blood testing for patients whose primary symptom is diarrhea, yet anecdotally it seems that constipation rarely raises red flags for them.

However, research has shown that about 15% of celiac patients with gastrointestinal complaints experience constipation. A 2012 study suggests that any person experiencing constipation that doesn’t respond to laxatives should be tested for celiac disease.

Constipation is no mere inconvenience. It can reduce the body’s ability to eliminate toxins and can contribute to gastroesphageal reflux. It can cause symptoms such as pain, fatigue and anal fissures. It is important to address this symptom and to understand its potential connection to celiac disease and the gluten-free diet.


What Causes Constipation for Celiacs?


When a person has celiac disease, the intestinal villi (tiny fingerlike projections on the internal walls of the intestines that absorb nutrients) become damaged due to the celiac antibodies created by the ingestion of gluten by a person with the disease. This decreases absorption of nutrients from food as it travels through the gastrointestinal tract. The food is now travelling through the gut in a less thoroughly digested form. As it enters the lower end of the small intestine, the body cannot fully process this under-digested, unabsorbed food (now in stool form) and can often only absorb the moisture from the stool – sometimes more moisture than it should. The over-absorption of moisture from the stool by the small intestine causes hardened stools that can be difficult and painful to pass.

To make matters worse, gluten-free processed foods tend to be made with low-fiber starches and flours like white rice flour, potato starch and tapioca starch. The fiber that people on standard diets get through consuming whole wheat products is not available, and whole wheat bread or pasta is often replaced with gluten-free substitutes that contain little to no fiber. Many gluten-containing products these days are fiber-fortified, but few gluten-free products are. Even brown rice, a popular gluten-free whole grain, is not a very high fiber grain.


What Can Celiacs Do to Prevent Constipation?


To use food as a remedy for constipation, someone with celiac disease should choose high fiber grains like quinoa, millet and amaranth. They must increase their fluid intake significantly, especially if they are consuming fiber supplements such as psyllium husk or inulin (common ingredients in fiber powders, drinks or capsules). In fact, dramatically increasing your fiber intake without increasing your water intake can make the situation even worse. You must also increase your intake of high-fiber vegetables and fruits, including those with edible skins (such as bell peppers, corn, and apples). Dried fruit, such as prunes, are also highly recommended. Binding foods such as bananas and low-fiber breads and crackers should be minimized.


What If Fiber Isn’t Helping?


Functioning villi are not the only requirement for proper gastrointestinal health. The proper balance of flora in the gut is extremely important as well. Probiotic-containing foods or supplements can help restore the proper balance of intestinal flora which can lower inflammation, therefore lowering damage to the gut and improving absorption. Probiotics often help regulate bowel movements, reducing the incidence of both diarrhea and constipation symptoms.

By using a healthy, high-fiber, high-liquid gluten-free diet in conjunction with exercise and probiotic supplementation, many people can wave goodbye to constipation and learn to enjoy healthier and more regulated gastrointestinal health.

celiact gluten-free supplements



0 # Jack from Quincy 2012-08-02 04:01
Hey, Zach - This is really helpful article. I've seen constipation listed as a CD/GI symptom before, but never any explanation of why it could be. Could you advise on any other articles/research to read? If constipation is a result of CD or intolerance, how long should it take to show improvement on a GFD (with plenty of fiber and fluids)? Thanks.
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0 # Zach 2012-08-03 07:23
Hi Jack,

You can take a look at this article as well: I can't necessarily answer your other questions, as this is something that varies greatly among different people. There is no silver bullet answer, and you should consult your physician in any instance if you need further help for your situation. Best of luck!

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+5 # Cassandra Cary 2012-11-18 11:18
Finally, someone pointed out the freakin OBVIOUS. I wish I could print this over and over into a large volume and hit my stupid doctor over his under qualified head.
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0 # Patty 2013-06-20 16:56
Amen! I have celiac and chronic constipation. It did get better when I first went gluten free; now (2-3 years later) I'm messed up again. Dr. doesn't think it's from my celiac! I beg to differ. Sometimes water won't even "go through"! So frustrating to have to work so hard to have a regular stool. :(
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0 # Mike 2014-02-16 14:27
"Sometimes water won't even "go through"!" Yes, this can be somewhat alarming. Let us know how you're doing these days, and if you've found a good routine.
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0 # cindy 2014-02-18 22:34
Hi all... just had blood work today for celiac disease. I had endoscopy. Polyps removed
CT SCAN nothing there.praise the Lord. After my research I said to primary care and gastrointestinal Dr should we check for celiac. I understand they have to rule out the most life threatening issues first. My concerns all symptoms fit the bill.cannot believe this came on quick and now sick every time I eat. Did already begin no gluten diet and only eating small meals. Seems better tolerated. How long before I feel better. I do not even care about the lifestyle change. Already embraced and thankful it was not pancreas. Is the pain under left ribcage normal? Thanks for any information. New at this. God bless all of you for a healthier you.
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0 # soph 2014-03-20 09:34
Hi everyone,
I would just like to say thank you to Zach for puttong this article up. Im celiac and was told by giving up gluten all my symptons would eventually go away, which they did only problem was I then started to become constipated, I thought it was because of lack of fibre, but every site I read just said that constipation was a sympton of being a celiac and changing my diet would fix it, not as a result of my new diet, it was really nice to get a confirmation bit also offered some alternatives to help, so thank you.
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0 # Camille 2014-04-15 01:35
When I initially commented I clicked the "Notify me when new comments are added"
checkbox and now each time a comment is added I
get four emails with the same comment. Is there any way you can remove
people from that service? Thanks a lot!

My web blog - refaire sa flore intestinale:
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