Sometimes dermatitis herpetiformis is mistaken for herpes, scabies, papular urticaria and other types of dermatitis. Your healthcare professional may need to test your skin to determine an accurate diagnosis.
Can dermatitis herpetiformis be misdiagnosed?
Dermatitis herpetiformis is frequently misdiagnosed as eczema, another inflammatory skin disorder. Both skin conditions manifest as a highly itchy and bumpy rash that people often scratch raw.
Is there anything that mimics celiac disease?
Irritable bowel syndrome (IBS) is the most commonly diagnosed gastrointestinal disorder, and has features that mimic CD. Symptoms include abdominal pain along with altered bowel form and/or frequency.
Can dermatitis herpetiformis come on suddenly?
Dermatitis herpetiformis develops suddenly, lasts for weeks to months, and may be associated with digestive diseases such as celiac disease. Dermatitis herpetiformis is a chronic inflammatory disease that produces lesions that burn and itch intensely.
Can you have DH and not celiac?
The symptoms of dermatitis herpetiformis are extremely itchy and blistering skin. Sometimes referred to as gluten rash or celiac rash, DH is a chronic condition that is considered to be the skin form of celiac disease. Not all people with celiac disease develop DH, but most people with DH have celiac disease.
Is dermatitis herpetiformis always symmetrical?
Dermatitis herpetiformis frequently affects the knees and elbows—again, usually in a symmetrical fashion.
Does dermatitis herpetiformis come and go?
Dermatitis herpetiformis (DH) is a chronic, extremely itchy rash made of bumps and blisters. The bumps or blisters usually appear on the elbows, knees, back and buttocks. In most cases, the rash is the same size and shape on both sides. Symptoms of dermatitis herpetiformis tend to come and go.
What tests confirm celiac disease?
Two blood tests can help diagnose it: Serology testing looks for antibodies in your blood. Elevated levels of certain antibody proteins indicate an immune reaction to gluten. Genetic testing for human leukocyte antigens (HLA-DQ2 and HLA-DQ8) can be used to rule out celiac disease.
Can celiac diagnosis be wrong?
This indicates that further testing is needed to see if you truly have celiac disease. However, it is possible for you to have negative blood test results and still have celiac disease. Some people have a condition known as IgA deficiency that can cause false-negative results on some celiac disease blood tests.
What triggers dermatitis herpetiformis?
Dermatitis herpetiformis is caused by the deposit of immunoglobulin A (IgA) in the skin, which triggers further immunologic reactions resulting in lesion formation. DH is an external manifestation of an abnormal immune response to gluten, in which IgA antibodies form against the skin antigen epidermal transglutaminase.
What causes dermatitis herpetiformis to flare up?
DH is caused by a sensitivity or intolerance to gluten. Gluten is a protein found in wheat and grains. When you have DH and eat food with gluten, the gluten triggers an immune reaction. This causes material called IgA antibodies to be deposited in the skin.
Do Antihistamines help dermatitis herpetiformis?
Although their efficacy is not very high in the treatment of dermatitis herpetiformis, third-generation antihistamines with specific activity on eosinophilic granulocytes, classified as a third-level therapeutic option, may also be used to control pruritus and itching.
When does celiac rash appear?
DH affects 10-15% of people with celiac disease. DH patients frequently have no digestive symptoms. DH can affect people of all ages, but most often appears for the first time in those between the ages of 30 and 40.
Is dermatitis herpetiformis an autoimmune disease?
Dermatitis herpetiformis (DH) is a rare, chronic, autoimmune skin condition characterized by the presence of groups of severely itchy blisters and raised red skin lesions. These are most commonly located on the elbows, knees, buttocks, lower back and scalp.
Is dermatitis herpetiformis always bilateral?
What are the symptoms of dermatitis herpetiformis? There is an extremely itchy rash. It can affect any part of your skin, but is usually on your elbows, knees, buttocks and scalp. The rash is usually on both sides of your body at the same time (symmetrical).