Doctor insights on:
Allergy Or Intolerance Testing
Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more
Yes: Patch testing can detect certain types of food allergies. For anaphylactic type (ige mediuated) food allergies, standard skin prick testing or specific ige blood tests are better at identifying food allergies. For other non-ige mediated reactions such as eosinophilic esophagitis, patch testing can identify some additional food sensitivities. Only have test recommended by a trained md. ...Read more
Can geographic tongue be caused by a food allergy or intolerance, such as celiac disease? Or lactose intolerance?
YES!: Although it is not always associated with those things, a high percentage of patients with celiac disease also have geographic tongue. It is not know why there is a correlation, but the correlation exists! if you have not been checked for celiac disease, ibs, or other gastrointestinal/autoimmune disorder, you may want to see your physician. ...Read moreSee 2 more doctor answers
DH: Dermatitis herpetiformis is an extremely itchy rash made of bumps and blisters. The rash is chronic, which means it continues over a long period of time. Dermatitis herpetiformis usually begins in people age 20 and older, although children may sometimes be affected. It is seen in both men and women. The cause is unknown. However, dermatitis herpetiformis is frequently linked to gluten sensitivity. ...Read more
Avoidance &challenge: Every test out there is imperfect. This is because there are many different mechanisms of food sensitivities- some mediated by igg, e, a & m antibodies, some by lymphocytes, some by inability to digest (lactose), some by inability to metabolize (nightshades) and there aren't tests for all of these. Avoiding suspect foods for 5 days to 1 month & challenging to see if you react is still the best test! ...Read more
What are common symptoms of allergy or intolerance to wheat (not celiac disease)? How is allergy/intol determined - thru testing or elimination diet?
Intolerance/immune: Intolerance consists of any undesired effects from from wheat and there is no definite test for it (other than a double-blind food challenge). Allergy to wheat often affects the guts but may cause hives, swelling, nasal congestion, and even rarely anaphylaxis. Allergy can be detected by skin testing or allergy blood test but double-blind food challenge remains the gold standard. ...Read more
Not allergy: Milk intolerance most commonly refers to a condition characterized by bloating, cramps and diarrhea caused by lactase deficiency without allergy/immune mechanisms involved. In allergy to cow's milk the immune system is reacting against cow's milk proteins causing symptoms such as hives. In infants, may cause blood in stools and constipation. The terms intolerance and allergy are often misused. ...Read more
Can you explain the differences between celiac disease, gluten intolerance, and wheat or gluten allergy?
Neither: No allergy antibodies in food intolerance. That's what we're looking for with blood and skin testing. So testing can rule-out food allergy in a case of food intolerance. The history and physical examination is usually sufficient to make a diagnosis of food intolerance. If testing is recommended skin testing is much less expensive and perhaps a little more sensitive than blood testing. ...Read more
Can complete blood count (CBC) detect i have allergy food allergy or other allergy or i do other test for allergy?
Are allergy drops or allergy shots available for treatment of food allergy/ or intolerance or are they only 4 treating environmental allergens
No: Appropriate allergy testing is guided by the patients history and physical examination. Based upon this one's allergist will make a decision what to be tested for. The test, particularly for outdoor allergens is based upon the common allergens is that particular agricultural zone. Does this mean that all allergens will be tested no. ...Read more
Maybe: The heart often reacts to whats going on around it. While its not the primary problem the heart can go fast when the body is stressed. This is called reactive tachycardia. A holter (if symptoms are frequent) or a 30 day event recorder ( if only happening a few times a week or month) would be helpful. Blood work along with a complete physical and possibly an echo of heart would also be part of work. ...Read more
Yes and not really: Food allergy is diagnosed by assessing the history (in the context of symptoms), and either allergy skin test or specific ige blood test. These are especially helpful in confirming a patient does not have food allergy if test is negative. Sometimes a food challenge is performed to really assess if the food allergy is present. Lactose intolerance can be diagnosed with a breath hydrogen test. ...Read more
Avoid the material: Processed foods are required to show the content on the information contained on the product packaging. Learn to read labels and avoid the products that contain either. Over time your system should heal and the symptoms subside. ...Read more
If eating foods with wheat gives one nasal congestion & headache & edema but celiac testing is negative, is that a wheat allergy or intolerance?
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