Tinnitus is a ringing, buzzing, or hissing sound in the ear, ranging from bothersome to debilitating. Linked to various medical conditions, causes are diverse. Hearing loss from noise exposure or aging is common. Other causes: earwax, jaw misalignment, trauma, tumors, fatigue, meds, infections, diseases. Treatments vary, aiming to reduce intensity and reaction. Options include sound therapy, relaxation, cognitive behavioral therapy, tinnitus retraining, and hearing aids. Prevention involves safe listening, healthy lifestyle, and regular hearing tests. Tinnitus need not be a lifelong burden; various treatments and preventive measures can improve quality of life.