Effects of Methycobal® (CH3-B12) were evaluated for the following 30 cases: nine cases of sensorineural hearingloss, 7 cases of facial paralysis, 4 cases of MENIERE'S disease, 2 cases of peripheral vestibular disorder, 3 cases of recurrent nerve paralysis, 2 cases of sudden deafness and 3 cases of tinnitus with unknown etiology.
This drug was given p. o. six capsules (1500 μg) a day, and the administration was continued for 4 weeks.
Methycobal was non effective for sensorineural hearingloss, but effective for facial paralysis and recurrent nerve paralysis. On the other hand, effects for tinnitus and vertigo were limitted.
Side effect was not found with the exception of a case complaining of nausea.
