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?

A. Slurred speech is not a common adverse effect of gentamicin. B. Hypotension is not a common adverse effect of gentamicin. C. Correct. Gentamicin is an aminoglycoside antibiotic known for its potential to cause hearing loss (ototoxicity.. D. Constipation is not a common adverse effect of gentamicin.