Ear pain
（重定向自Ear ache）
Otalgia or an earache or ear pain is pain in the ear. Primary otalgia is ear pain that originates inside the ear. Referred otalgia is ear pain that originates from outside the ear.
Otalgia is not always associated with ear disease. It may be caused by several other conditions, such as impacted teeth, sinus disease, inflamed tonsils, infections in the nose and pharynx, throat cancer, and occasionally as a sensory aura that precedes a migraine.