Canadian family physician Medecin de famille canadien · 2022
Erythema multiforme in children.
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Goldman Ran D
Аннотация
QUESTION: Children who present with rashes with "target" lesions are frequently diagnosed with erythema multiforme (EM). This is a self-limiting condition in most children; how should primary care providers differentiate between this and urticaria or Stevens-Johnson syndrome, and what is the recommended course of treatment?
ANSWER: While EM is common in children, urticaria is also very common and tends to be more "waxing and waning" compared with EM's fixed lesions. Stevens-Johnson syndrome and toxic epidermal necrolysis are more severe and distinct conditions; they have much more substantial mucous membrane involvement and contain widespread erythematous or purpuric macules with blisters. Since EM is a self-limiting condition, treatment of EM in children is generally supportive, and rarely do children need hospital admission for rehydration. In more severe cases involving mucous membranes or substantial pain, some patients will benefit from topical steroids or antihistamines. When children present with signs of herpes infection, antiviral treatment (acyclovir) may be of benefit. Systemic steroids should be reserved for the most challenging cases.
ANSWER: While EM is common in children, urticaria is also very common and tends to be more "waxing and waning" compared with EM's fixed lesions. Stevens-Johnson syndrome and toxic epidermal necrolysis are more severe and distinct conditions; they have much more substantial mucous membrane involvement and contain widespread erythematous or purpuric macules with blisters. Since EM is a self-limiting condition, treatment of EM in children is generally supportive, and rarely do children need hospital admission for rehydration. In more severe cases involving mucous membranes or substantial pain, some patients will benefit from topical steroids or antihistamines. When children present with signs of herpes infection, antiviral treatment (acyclovir) may be of benefit. Systemic steroids should be reserved for the most challenging cases.