Red ear syndrome.

An otherwise healthy 39-year-old man, who denied history of migraine or chronic headache, presented with recurrent left ear pain. The first attack was several months ago, lasting for seconds only. The second attack persisted for 20 minutes, followed by the third episode several hours later. The patient attributed the last attack to be triggered by a violent movement of jaw while he opened his mouth. It lasted for about 2 hours this time which drove him to seek medical help immediately. The patient described the pain as burning-like and the intensity was 8–9 on a 0–10 numerical rating scale. The pain got worse with the ear being touched. Physical examination showed erythema of not only left but also right ear (Figure 1). Neurological examination was unremarkable. No evidence of cranial autonomic involvement were noted, such as tearing, conjunctival injection, rhinorrhea, nasal congestion, forehead sweating, ect. He was given symptomatic