This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous Ear, Subject name: ENT
A patient on ATT develops tinnitus and hearing loss due to: 
Select and explain. 
A. Isoniazid, B. Pyrazinamide, C. Streptomycin, D. Rifampicin
C: Streptomycin
Answer: C: Streptomycin 
Explanation: (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.