This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Scabies, Pediculosis, Subject name: Dental
"Id" reaction is seen in 
Select and explain. 
A. Atopic dermatitis, B. Psoriasis, C. Dermatophyes, D. Eczematous drug reaction
C: Dermatophyes
Answer: C: Dermatophyes 
Explanation: Dermatophytid reaction/I'd reaction it is a noninfective hypersensitivity reaction of the skin to the fungal antigens manifested at a site distant from the associated fungal infection criteria for I'd reaction: proven dermatophyte infection highly inflammatory.eg: kerion id eruption doesn't show any ring worm resolution of I'd with disappearance of fungus positive intradermal reaction to trichophyton treatment: treatment of primary fungal infection with antifungals. iadvl textbook of dermatologypage 272