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.
•
Enteroviruses.
•
EBV.
•
Adenovirus.
•
Mycoplasma.
Reassurance.
Spontaneously resolves after a few
weeks.
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