A nurse is caring for a client who has a prescription for ceftriaxone. The nurse should monitor the client for which of the following adverse effects?

A. Concentrated urine: This is not a typical adverse effect of ceftriaxone. B. Maculopapular rash: This is a common hypersensitivity reaction associated with ceftriaxone, a cephalosporin antibiotic. It can indicate an allergic response and should be monitored closely. C. Constipation: Ceftriaxone is not known to commonly cause constipation. D. Pitting edema: Edema is not typically associated with ceftriaxone administration.