Otosclerosis has symptoms such as hearing loss, tinnitus and vertigo. 1. Hearing loss: Most patients with otosclerosis have hearing loss as the first symptom. The incidence of otosclerosis is higher in women than in men, especially in female patients who suffer from severe hearing loss during pregnancy or breastfeeding. Hearing can also be significantly reduced after the stimulation of severe mood swings caused by other conditions. 2. Tinnitus: About 80% of the patients have tinnitus symptoms, hearing loss and tinnitus usually appear at the same time, but the tinnitus is intermittent or persistent. 3. Vertigo: Vertigo can be caused when the lesion affects the vestibule and the semicircular canals. If you have hearing loss and tinnitus symptoms, it is recommended to go to the hospital for further examination and timely treatment to avoid delaying your condition.