<prompt> Irreversible hearing loss caused by ?GentamycinClarithromycinBoth of the aboveNone of the above  <response>: Ans. is a i.e., GentamycinGentamycin is the most commonly used of the aminoglycosides. It produces vestibular toxicity and irreversible hearing loss.Clarithromycin is known to produce reversible hearing loss. 