Papular rashes (2)
Hypersensitivity reaction to insect bites. Itchy small red papules or vesicles evolve into 1–5mm papules +/– surrounding urticaria or surface crusting. Usually on limbs and buttocks. May last for weeks and be exacerbated by new bites elsewhere. Secondary infection common.
• Prevent new bites.
• Antipruritics (e.g. oral antihistamines, topical steroids).
• Antibiotics for any s infection.
Common. Any age. Horny plugging of follicles causes asymptomatic rough papular rash +/– erythema. Affects upper outer arms, front of thighs, cheeks.
Reassurance; emollients, especially urea-based creams.
• Acute, non-itchy, red papules appear over face, limbs, and buttocks.
• Asymptomatic or accompanied by malaise, hepatomegaly, lymphadenopathy.
Spontaneously resolves after a few weeks.