Clinical Cases | Derm101

A 33-year-old man presents with a 7-year history of painful, recurrent clustered blisters in the same location on his lower lip, occurring 1-2 times per year. The patient recalls a “burning sensation” in the affected area 6 hours prior to the outbreak of blisters. He denies blisters elsewhere on the body.

How do you work up and treat this patient?