What is the drug of choice in a patient with renal impairment who is being treated for a urinary tract infection (UTI)?
A) Salazopyrin
B) Silver sulfadiazine
C) Declomycin
D) Fosfomycin
D
Feedback:
The dosage of fosfomycin, given orally, does not need to be changed in cases of renal impairment. It is the only medication listed here that is used in the treatment of urinary tract infections. Declomycin may be used to inhibit antidiuretic hormone in the treatment of chronic inappropriate antidiuretic hormone secretion. Salazopyrin is used in ulcerative colitis. Silver sulfadiazine is used topically to treat Pseudomonas infections.
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