A nurse is collecting data from a client who has pyelonephritis and is receiving gentamicin via IV infusion. Which of the following manifestations should the nurse identify as an adverse effect of the treatment?

Gentamicin is an aminoglycoside antibiotic that is known to have potential ototoxicity, which means it can cause damage to the inner ear and result in hearing loss. It is important for the nurse to monitor the client's hearing during gentamicin therapy and report any changes or symptoms of hearing loss promptly. Other adverse effects of gentamicin may include nephrotoxicity (kidney damage), so monitoring renal function is also essential. Hypotension, constipation, and slurred speech are not typically associated with gentamicin use. However, it is important for the nurse to monitor the client for any adverse effects and report any concerning symptoms to the healthcare provider.