This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Dermatitis Erythema, Subject name: Skin
Treatment of dermatitis herpetiformis - 
Select and explain. 
A. Gluten free diet, B. Dapsone, C. Sulfonamide, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans. is 'd' i.e., All of the above Treatment of dermatitis herpetiformiso Put the pateint on gluten free diet,o Dapsone is the drug of choice,o Sulphapyridine (a sulfonamide) can also be used.o Local application of antipruritic (1% phenol in calamine lotions is also used).o Vitamins & minerals are also given for supplementation.