Multiple sclerosis is rarely reported in Japan The incidence of the disease in Japan is said to be about 2% of that in Europe and North America. The disease, therefore, has not been so much evaluated neuro-otologically in Japan. The patient was 22-year-old female, complaining of vertigo, hearing disturbance of the left ear and hypesthesia of the upper and the lower extremities. The examinations revealed slight left ear hearing loss in pure tone audiometry, marked positive TTS in Békésy audiometry of the left ear, horizontal gaze nystagmus to the bilateral directions, direction fixed positional nystagmus to the left, and DP to the left in caloric test. Optokinetic nystagmus and eye-tracking tests were normal. These neuro-otological findings gradually disappeared in about 5 months except hypesthesia of the lower extremity which remains at present