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→Contact Dermatitis
=Contact Dermatitis=
=Contact Dermatitis=
*H&P: Can have a clear border (allergic, type IV hypersensitivity) or not (irritant). Nickel and poison ivy.
*H&P: Can have a clear border (allergic, type IV hypersensitivity, e.g '''nickel''', poison ivy) or not (irritant, e.g. nickel, makeup, detergents).
*Dx: Erythematous, pruritic, papules vesicles, sometimes with erosions, crusting, excoriations, and lichenification. Patch testing.
*Dx: Erythematous, pruritic, papules vesicles, sometimes with erosions, crusting, excoriations, and lichenification. Patch testing.
*Tx: Avoid causative agents, cold compresses and oatmeal baths ± short course of topical steroids. For severe and widespread cases short course of oral steroids.
*Tx: Avoid causative agents, cold compresses and oatmeal baths ± short course of topical steroids. For severe and widespread cases short course of oral steroids.