A generalized, itchy, papular 'id reaction' that occurs in response to a primary inflammatory focus (like a fungal infection) elsewhere on the body.
A common presentation is a morbilliform or exanthematous eruption of widespread, symmetric, erythematous macules and papules.
An acute hypersensitivity reaction causing characteristic 'target' or iris lesions, which are edematous papules with concentric rings.
A self-limited rash, often post-viral, with monomorphic, flat-topped, pink-brown papules symmetrically on the face, buttocks, and extremities.
A childhood vasculitis with prolonged high fever and a polymorphous papular, scarlatiniform, or erythema-multiforme-like rash.
A common hypersensitivity reaction to insect bites, presenting as recurrent crops of intensely itchy, firm papules, often with a central punctum.
A parasitic infestation causing an intensely pruritic eruption of small, excoriated papules, often with visible burrows, especially in web spaces.
Hives present as transient, edematous, pruritic wheals (welts) that are papules or plaques which resolve within 24 hours.