Grouped pustules on a red base

Case #1

A 19-year-old male presented with a 1-day history of painful lip blisters. Two days ago, he felt as if the affected area was tingling and reported a subjective fever. He had 3 similar outbreaks in the last year, for which he only used topical anesthetics with limited relief after 2 weeks. He had no history of other medical issues. ...