Located in Yutonaka, Matsuyama City, Ehime Prefecture, Yamaguchi Otolaryngology Clinic provides ENT services including hearing aid consultations. The clinic is equipped with the rapid allergy testing device SiLIS-100, which allows simultaneous measurement of specific IgE 45 types and non-specific IgE from a small fingertip blood sample in 15 minutes. Immediate testing for various infectious pathogens is also available using the multipathogen rapid genetic testing device SpotFire. Vaccination services include the shingles prevention vaccine Shingrix for those aged 50 and above, and the RSV vaccine Arexvy for those aged 60 and above. Specialized treatments include Tinnitus Retraining Therapy (TRT), chronic nasopharyngitis treatment, middle ear pressure therapy, and Epipharyngeal Abrasion Therapy (EAT). The clinic is well-equipped with diagnostic devices, including sleep polysomnography, overnight pulse oximeters, DPOAE measurement devices, cone-beam CT for the head, digital X-ray for the head, neck, and chest, nitric oxide gas analyzers, and fingertip volume pulse wave meters. Superlaser near-infrared light therapy is also provided. The clinic offers English language support, has parking facilities, and accepts online appointments.