What are the Differences Between CSID and Celiac Disease Symptoms?

What are the Differences Between CSID and Celiac Disease Symptoms?

It can be easy to confuse Sucrose Intolerance caused by Congenital Sucrase-Isomaltase Deficiency (CSID) with celiac disease because the symptoms can overlap. But if you’ve been diagnosed with celiac disease and haven’t found any relief from the treatment, it’s important to understand the key differences between these two diseases, in the event that you were misdiagnosed.

Treating one disease won’t relieve the symptoms of the other disorder. If you think you have celiac disease but experience digestive discomfort after eating, keep reading.

Celiac Disease

Celiac disease and CSID can cause symptoms, such as bloating, abdominal pain, gassiness, and diarrhea after the consumption of certain foods. But unlike CSID, celiac disease can also cause a whole constellation of other symptoms.

According to the Celiac Disease Foundation, the symptoms in adults may include feeling tired, having unexplained bone or joint pain, arthritis, bone-weakening osteoporosis, liver disorders, such as fatty liver, depression or anxiety, tingling in your hands or feet, seizures, migraines, missed menstrual periods, infertility or recurrent miscarriage, canker sores, and an itchy skin rash, among others.

In fact, there are more than 200 celiac disease symptoms, which can occur in your digestive tract or other parts of your body. Conversely, some people with celiac disease have no symptoms at all.

Celiac disease is an autoimmune disorder. The symptoms of celiac disease are caused by the consumption of gluten, a protein found in wheat, rye, and barley. If you have celiac disease and eat foods containing gluten, your body mistakes it for a foreign invader and mounts an inflammatory attack in your small intestine.

A simple blood test can screen for celiac disease. The only treatment for celiac disease symptoms is sticking with gluten-free diet. You’ll need to avoid eating foods with gluten, such as regular pasta, bread, soda, and even beer, for the rest of your life.


With CSID, your body can’t digest the sugar, sucrose. To digest foods containing this sugar, your body needs a compound enzyme called sucrase-isomaltase. When you experience bloating, abdominal pain, gassiness, and diarrhea after consuming foods containing sucrose (table sugar), it is your body’s way of letting you know that you don’t have enough of this enzyme to digest sucrose.

If you’re diagnosed with CSID, you’ll need to avoid foods containing sucrose, such as desserts, apples, bananas, carrots, corn, and beans. Check out this webpage for a more complete list of foods you need to avoid and those you can include.

Several tests are available to help your doctor make an informed diagnosis of CSID.

If you’re not sure if you have CSID, be proactive. Taking this quiz can help you know if it’s time to see your physician.

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Sucrose Intolerance May Be More Common Than You Think