A client is receiving gentamicin sulfate (Gentamicin) injections as part of her treatment regimen for a pseudomonas infection. The nurse knows to assess for what potential adverse reaction to this medication?

Number 4 is correct.

Ototoxicity is a potential adverse reaction to gentamicin sulfate. Other adverse reactions include Stevens-Johnson syndrome, seizures, nephrotoxicity, and superinfection. Orthostatic hypotension, occult bleeding, and torsades de pointes are not known adverse reactions to gentamicin sulfate.