Erythema multiforme is a skin reaction (usually mild) caused by an allergic reaction to the herpes simplex virus. The rash tends to flare up and go away on its own, but you may need treatment for some of the symptoms.
Disclaimer: The information provided here should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. The information is provided solely for educational purpose and should not be considered a substitute for medical advice.
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