A nurse is caring for a client who is prescribed with for cervicitis. The client has been taking this medication for one week and noted hearing loss, vertigo, and tinnitus. Based on the client's signs and symptoms, which of the following is a complication of this medication?

A. Incorrect: Shortened QT interval is not associated with this type of medication. B. Incorrect: Sedation is not a known side effect of antibiotics used for cervicitis. C. Correct: Ototoxicity (manifesting as hearing loss, vertigo, and tinnitus) is a potential adverse effect of macrolide antibiotics like azithromycin, which is commonly prescribed for cervicitis. D. Incorrect: Hepatotoxicity can occur with some medications but does not typically present with hearing loss, vertigo, and tinnitus.