Skin Diseases

Summer brings sunburn, chemical exposure, allergies, and heat-related ills. Catch up on recent research on some of the unpleasant syndromes of summer.

A 68-year-old woman presents with a new 6-mm nodule with central ulceration and a rolled border on the right cheek. What's your diagnosis? How would you treat?

Patient claims pruritic full-body rash is from a course of vancomycin. Is he correct? Could it be something else?