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Doctor insights on: Could My Doctor Diagnose Celiac Disease With A Colonoscopy

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Could my doctor diagnose celiac disease with a colonoscopy?

Could my doctor diagnose celiac disease with a colonoscopy?

Probably not: Celiac disease can be diagnosed by small intestine biopsies, done through an endoscope through the mouth. Colonoscopy comes from the other end (the anus) and probably wouldn't be able to get a diagnostic biopsy of the small intestine.

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Dr. Charles Cattano
2,036 Doctors shared insights

Colonoscopy (Definition)

Colonoscopy is the procedure of using a long flexible camera to visualize the entire colon from the inside with the option to take pictures, video, perform biopsies, remove polyps, etc. Generally people are sedated and do ...Read more


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It could be possible that a colonoscopy diagnose celiac disease?

It could be possible that a colonoscopy diagnose celiac disease?

Possible: During colonoscopy, quite a number of physicians reach the terminal ileum, the last part of the small intestine. Celiac disease affects this part of the small intestine, so the physician can see the changes in the lining of the gut and confirm the diagnosis with biopsies taken from that area.

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Is it possible for a toddlers blood test to be negative for celiac disease but upon endoscopy or colonoscopy be found to indeed have celiac disease?

Is it possible for a toddlers blood test to be negative for celiac disease but upon endoscopy or colonoscopy be found to indeed have celiac disease?

Possibly: If the correct test was done (measurement of IgA antibody to human recombinant TTG is recommended for initial testing for CD by NASPGHAN) and was negative, AND if a child has chronic diarrhea or failure to thrive OR if they have selective IgA deficiency or a + family hx of CD, a biopsy might be recommended. Consult with a pediatric GI physician if this is the case. Best of luck!

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I'm 38 female, smoker, have celiac disease but do not stick to diet, I've had one colonoscopy, found ONE sessile serrated polyp 9mm, should I worry?

I'm 38 female, smoker, have celiac disease but do not stick to diet, I've had one colonoscopy, found ONE sessile serrated polyp 9mm, should I worry?

Worry is relative!: If they never told you, you need to be aware of a fact. Every time someone with celiac disease consumes gluten, their immune system creates new antibodies that attack various tissues in the body. Your symptoms may be readily apparent or subtle, but they will eventually lead to more problems. It is hard enough to remain gluten free when you try, since it can be found in unexpected items.

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Is there any relation between ibd and celiac disease? How is celiac diagnosed? (since I think colonoscopy is for large intestine only?)

Is there any relation between ibd and celiac disease? How is celiac diagnosed? (since I think colonoscopy is for large intestine only?)

Similar symptoms: Ibd and celiac disease have been reported together in some patients. Some patients with ibd have also reported a relapse in symptoms on gluten free diet, but a direct relationship has not been definitively established. Celiac disease is diagnosed with the combination of upper endoscopy, duodenum (small intestine) biopsy, and blood test for celiac antibodies.

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I am having a colonoscopy in a week & have celiac disease, for colon prep I was told to limit my food a week before to a low fiber diet, whait's that?

I am having a colonoscopy in a week & have celiac disease, for colon prep I was told to limit my food a week before to a low fiber diet, whait's that?

Low fiber diet: Meaning less of foods with high fiber content, to avoid build up of waste in the colon before the procedure, usually it is soft diet, avoid lots of fruits, vegetables, green salads, etc, ask the team who will perform the colonoscopy, they would provide you with exact diet regimen needed, good luck with the procedure

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I have been tired, irritable, and can't seem to lose weight. I have been working out 5 days week eating about 1600 calorie diet. I have celiac disease and I am eating a gluten free diet, just had a colonoscopy that was normal.

I have been tired, irritable, and can't seem to lose weight. I have been working out 5 days week eating about 1600 calorie diet. I have celiac disease and I am eating a gluten free diet, just had a colonoscopy that was normal.

I: I am glad you have had a medical evaluation. Please be sure you are drinking plenty of fluids to flush out your system. Also please be sure you have had your thyroid hormones tested. If you continue your symptoms, please be seen by your physician to have a complete evaluation.

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I have had 2 months of diarrhea and vomitting, watery stooland abdominal pain. I got endoscopy, colonoscopy, biopsy and celiac disease test done and all tests were negative. There has been no proper diagnosis yet. What should I do?

I have had 2 months of diarrhea and vomitting, watery stooland abdominal pain. I got endoscopy, colonoscopy, biopsy and celiac disease test done and all tests were negative. There has been no proper diagnosis yet. What should I do?

Parasites: Has your stool been tested for ova and parasites particularly giardiasis and balstocystis homnis. If yes and all stool test are negative then irritable bowel syndrome diarrhea predominant is a possible diagnosis. You should follow up with your gastroenterologist.

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Doctor told me I have IBS but I was wondering if it could be celiac disease?

Doctor told me I have IBS but I was wondering if it could be celiac disease?

WE can not answer: You have to discuss with your doctor as to your correct diagnosis. If you do not agree with his/her diagnosis get a second opinion.

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I have celiac disease, and also cannot gain weight, is apetamin safe to take, one doctor said it is not safe at all.

I have celiac disease, and also cannot gain weight, is apetamin safe to take, one doctor said it is not safe at all.

Ok but: This drug is same as Periactin- an antihistamine we used to use to stimulate appetite. HOwever it does cause most people to be drowsy and thus not the safest drug to choose. You likely have problem getting food without gluten and thus it is time for you to consult a dietitian. Make sure that you don't have another disease condition which may cause weight loss.

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My doc ordered 4 blood tests testing for celiac disease. I live in rural Iowa. They had to sent to Mayo. Why is this? What are the tests?

My doc ordered 4 blood tests testing for celiac disease. I live in rural Iowa. They had to sent to Mayo. Why is this? What are the tests?

Varies: There are a number of tests that are used to screen for celiac disease. The tissue transglutaminase IGA is one of the more dependable, usually ordered with an IGA level. There are others, and the delicate nature of the tests requires that they be done in a facility that does them often to be reliable. Local hospitals rarely have the volume to invest in the specialized equipment.

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Doctors, what is the difference between celiac disease and gluten allergy?

Doctors, what is the difference between celiac disease and gluten allergy?

Sxs/mechanism: A true food allergy goes through the immune system and causes a sudden, potentially life threatening reaction (anaphylaxis) which includes hives, swelling, breathing sxs, GI sxs, heart sxs, nasal/eye sxs. This can be diagnosed by an allergist. Celiac is a different immune response to gluten in the gut. Symptoms can be more subtle (stomach sxs and others) and initial eval involves a blood test.

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I have celiac disease and I'm on a gluten free diet. Should I be seeing a doctor for my celiac disease? If so, why?

I have celiac disease and I'm on a gluten free diet. Should I be seeing a doctor for my celiac disease? If so, why?

Yes, you should: You don't mention how you were diagnosed. If you are doing well and initially had an endoscopy that confirmed the diagnosis, there is no urgency. Still you should be seen once a year. If you have never had an endoscopy, you should see a gastroenterologist.

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I am so worried. My kids only need to see the doctor for sports physicals. Now one has celiac disease. What should I say, in terms of effects on health and well-being?

I am so worried. My kids only need to see the doctor for sports physicals. Now one has celiac disease. What should I say, in terms of effects on health and well-being?

Be honest: Celiac disease can in some cases affect performance with fatigue and side effects of medication. Sports physicals are designed (hopefully) to try and find out about serious risks such as impending heart stoppage, asthma and aspects of physical fragility which would render athletic performance hazardous. Celiac disease is not one of those.

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Is there a test for celiac disease? If so what is it and can my pcp doctor do it?

Celiac panel: Several blood tests can be ordered by your PCP. They include TTGA IgA, EMA IgA and IgA level. More tests can be ordered

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Dr. John Chiu
625 Doctors shared insights

Celiac Disease (Definition)

An immune reaction to eating gluten, a protein found in ...Read more