Methods of treating tinnitus with gaboxadol or a pharmaceutically acceptable salt thereof are provided. Also provided are therapeutic compositions that may be used to improve one or more symptoms of tinnitus. Methods of treating acute sensorineural hearing loss or Meniere's disease with gaboxadol or a pharmaceutically acceptable salt thereof are provided. Also provided are therapeutic compositions that may be used to improve one or more symptoms of acute sensorineural hearing loss or Meniere's disease.