Male is more common than female. In Hong Kong, since coeliac disease is extremely rare, this association is not usually observed. Clinical Features Lesions are composed of excoriated and scabbed intensely itchy papules. The sites of predilection are extensors of 4 limbs, buttocks and face. Intact vesicles seldom seen since they are ruptured by self scratching.
Lesions heal with no scarring.
Screening for the presence of coeliac disease. After starting the treatment, symptoms should subside within 48 hours and rash should be cleared up within days. Side effects are haemolytic anaemia, methaemoglobulinaemia. Referring to dietician if required. Dietary restriction is not easy to follow.