What are the causes of chronic perianal dermatitis in kids?

Abstract

Causes of chronic perianal dermatitis include bacterial, fungal, parasitic, and viral infections; contact with irritants and allergens; atopic dermatitis; pruritus ani; psoriasis; steroid-induced skin atrophy; lichen sclerosus; and seborrheic dermatitis, histiocytosis, inflammatory bowel disease, and sexual abuse. The most common bacteria are group A Streptococcus and Staphylococcus aureus. (SOR: C, extrapolated from mixed age and referral center cohorts.)