A patient on ATT develops tinnitus and hearing loss due to:: (A) Isoniazid, (B) Pyrazinamide, (C) Streptomycin, (D) Rifampicin
Answer is C. (c) Streptomycin(Ref. Cummings, 6th ed., 2371)Streptomycin is predominantly vestibulotoxic. In very high doses they can affect the cochlear system also, leading to hearing loss and tinnitus.