A 48-year-old woman presents with sudden right-sided ear pain, a Vesicular rash, and facial paralysis. Explore the classic triad of this viral syndrome.
A previously healthy 48-year-old woman presented to the dermatology clinic with a 1-day history of a rash on her right ear that was preceded by 2 days of ear pain and an inability to move the right side of her face. Physical examination was notable for facial-nerve palsy on the right side and erythema with a few vesicles and some crusting on the pinna of the right ear. An oral examination revealed vesicles on the right side of the hard palate, patchy erythema of the anterior tongue, and an ulceration on the right lower lip. Her hearing was intact. What is the most likely diagnosis?