In 1939 Davis and Rommel1 reported benefit from the use of prostigmine in the treatment of acute and chronic deafness and also in relieving tinnitus aurium. The present study of 30 patients with impaired hearing was made to determine what improvement, if any, can be obtained by the use of this drug.
Twenty-four of the patients studied had had loss of hearing over a long period of years. Five patients had had impaired hearing for periods not longer than six months. Two of these had a very recent involvement. Twenty-three had associated tinnitus.
These patients were from the outpatient department of Gouverneur Hospital and from private practice.
Before treatments were started, each patient was given an examination of the nose, throat and ears and an audiometric reading was made with a Western Electric 6-A audiometer. The tests were made in rooms adjoining the clinic or office. There was an ordinary
ROSENTHAL M. USE OF PROSTIGMINE FOR IMPAIRED HEARING. Arch Otolaryngol. 1941;34(3):540–573. doi:10.1001/archotol.1941.00660040580010