Noise hypersensitivity or hyperacusis is when sounds are painfully uncomfortable for the patient. Hyperacusis may be a symptom of a medical condition like migraine headaches , a structural anomaly like superior semicircular canal dehiscence or perilymphatic fistula, or recruitment phenomenon due to nerve hearing loss , but sometimes there is no obvious reason for it. It just is and there's no obvious etiology nor medical treatment for it. Such patients become socially withdrawn because no…