A young female presents with several "target-like lesions" on her arms, legs, and thorax. She takes birth control pills and recently completed a ten-day course of penicillin. What is the most likely diagnosis?
- erythema multiforme
- erythema nodosum
- erysipelas
- pleurodynia
- erythema chronicum migrans
Answer: A
Erythema multiforme
Target lesions are erythema multiforme - commonly caused by drugs (many drugs) and some illnesses, like mycoplasma Another common problem with OCP's is erythema nodosum which causes PAINFUL purple nodules on the anterior shins.
Know Your Content Blueprint
Erythema multiforme is covered as part of the PANCE Dermatology Blueprint
Review Topic: Erythema multiforme (ReelDx)