Otitis Externa & Otitis Media Otalgia | ICD9 = Otitis Externa Otitis Media Otalgia | ICDO = | Image = | Caption = | OMIM = | MedlinePlus = | eMedicineSubj = ent | eMedicineTopic = 199 | DiseasesDB = 18027 | }} For the British heavy metal record label, see Earache Records. Otalgia is ear pain or an earache. Primary otalgia is from pain that originates inside the ear. Referred otalgia is from 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 and infections in the nose and pharynx. Primary otalgia Ear pain can be caused by disease in the external, middle, or inner ear, but the three are indistinguishable in terms of the pain experienced. E