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Chapter: Paediatrics: Dermatology

Paediatrics: Papular rashes (2)

Hypersensitivity reaction to insect bites. Itchy small red papules or vesicles evolve into 1–5mm papules +/– surrounding urticaria or surface crusting.

Papular rashes (2)

 

Papular urticaria

 

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.

 

Treatment

 

   Prevent new bites.

 

   Antipruritics (e.g. oral antihistamines, topical steroids).

 

   Antibiotics for any s infection.

 

Keratosis pilaris

 

Common. Any age. Horny plugging of follicles causes asymptomatic rough papular rash +/– erythema. Affects upper outer arms, front of thighs, cheeks.

 

Treatment 

Reassurance; emollients, especially urea-based creams.

 

Papular acrodermatitis (Gianotti–Crosti syndrome)

 

   Acute, non-itchy, red papules appear over face, limbs, and buttocks.

 

   Asymptomatic or accompanied by malaise, hepatomegaly, lymphadenopathy.

 

Causes

 

   Enteroviruses.

 

   EBV.

 

   Adenovirus.

 

   Mycoplasma.

 

Treatment 

Reassurance.

 

Prognosis 

Spontaneously resolves after a few weeks.

 

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Paediatrics: Dermatology : Paediatrics: Papular rashes (2) |


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