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Methods of Testing for Dermatitis Herpetiformis
http://www.celiac.com/articles/173/1/Methods-of-Testing-for-Dermatitis-Herpetiformis/Page1.html
Scott Adams

In 1994 I was diagnosed with celiac disease, which led me to create Celiac.com in 1995. I created this site for a single purpose: To help as many people as possible with celiac disease get diagnosed so they can begin to live happy, healthy gluten-free lives. Celiac.com was the first site on the Internet dedicated solely to celiac disease. In 1998 I created The Gluten-Free Mall, Your Special Diet Superstore!, and I am the co-author of the book Cereal Killers, and founder and publisher of Journal of Gluten Sensitivity.

 
By Scott Adams
Published on 07/26/1996
 
Iodine testing for DH: This is an old procedure used to create DH blisters. By applying a 30 pe

Iodine testing for DH: This is an old procedure used to create DH blisters. By applying a 30 percent solution of iodine as a patch, a DH outbreak can be created. This may be applicable in some patients when a biopsy is needed and no blisters are available.

Immunofluorescence: The indirect immunofluorescence test shows that the serum of a patient contains specific antibodies that bind to different areas of the epithelium. The direct immunofluorescence tests by a skin biopsy shows a specific diagnosis pattern of DH. Traditionally this biopsy is obtained from the buttocks. If no outbreaks are observed in this area, the biopsy is recommended for another area where the itching is observed. DH Drugs: The common drugs used to initially control the blisters are: Dapsone, Sulfoxone, and Sulfapyridine. Each one has different advantages/disadvantages or availability in the treatment of DH. Dapsone changes the life span of red blood cells from an average of 120 days to 30 days. Dapsone is known for possible hematologic changes as a common side effect.