Blisters on the skin (part of the dermatitis herpetiformis version of celiac disease) are an inflammatory result due to a deposition of anti-tTG antibodies in the skin. In fact, recent studies have demonstrated that IgA antibodies against epidermal transglutaminase 3 play an important role in the pathogenesis of dermatitis herpetiformis. See Nakajima K. Recent advances… Read more »(Updated .)
I’ve had rash patches on my left forearm that itch and burn, but didn’t have the blisters. Could it be dermatitis herpetiformis (DH) even though I don’t have the blisters?
Only a skin biopsy can answer this question.(Updated .)
What’s the sequence of events when gluten is consumed for someone with dermatitis herpetiformis?
A person with dermatitis herpetiformis typically breaks out in blisters within hours, though sometimes within 24-48 hours, of ingesting gluten. The elbows, knees, buttocks, scalp and forehead are common areas where breakouts occur.(Updated .)