acute

Erythema multiforme

multiforme (EM) is an -mediated skin condition associated with several viral , that appears with red patches evolving into target , typically on both hands. It is typically associated with by either herpes simplex virus or Mycoplasma pneumoniae.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

·Rash, skin eruptions, fever,

Causes — why it happens

·Type IV hypersensitivity

Treatment

·, antivirals (HSV-associated cases only)

More in Skin

Eczema Psoriasis Acne Skin cancer (melanoma)Vitiligo Fungal skin infection Leprosy Scabies Hives (urticaria)Melasma Shingles Cellulitis

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Plain-language summary adapted from Wikipedia. Not medical advice.