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Kaplan Qbank USMLE



Author3 Posts
  #1

A 20 year old woman develops severe pain and erythema over sun-exposed skin and large bullae over her shoulders while vacationing in Florida. Skin testing results in major positive reaction to methylparaben, which is often used as a preservative in medicine. A sunscreen containin which of the following is CONTRAINDICATED in this patient?

a) Avobenzone
b) Benzophenons
c) Cinnamates
d) p-Aminobenzoinc acid esters
e) Salicylates

shocked

  #2

its PABA

  #3

please explain the reasoning??








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