Dermatitis herpetiformis is considered by most dermatologists to be of unknown etiology and to occur most frequently in nervous and neurotic persons. Various authors have speculated as to the cause of dermatitis herpetiformis, and a few have suggested anaphylaxis as an etiologic factor. Others have agreed that toxic and psychic factors are present.
In this country Sutton1 described a case in a child, which developed after the child had been given cow's milk. The mother noticed "mosquito bites" on the child's legs and thighs. Vesicles soon formed, and later pigmented spots appeared. There were subsequent attacks. The child responded to treatment with thyroid extract.
Schwartz2 noted a disorder of protein metabolism in this condition. He emphasized the eosinophilia and expressed the opinion that not only should cutaneous tests be given to find the offending protein but a clinical trial with foods should be made as well.
Sammis FE. DERMATITIS HERPETIFORMIS ASSOCIATED WITH FOOD ALLERGY: Report of a Case. Arch Derm Syphilol. 1935;32(5):798–800. doi:10.1001/archderm.1935.01470050094015
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