<prompt> Ototoxic drugs generally affect the hearing of what frequencies of sound500-1000 Hz2000-3000 Hz3000-4000 Hz4000-5000 Hz  <response>: Ototoxic drugs affect hearing at a range of 4000-6000kHz. Most common drugs include aminoglycoside such as Gentamycin Ref: The EAR comprehensive ontology by Rinaldo and Paul. 