The nurse should advise clients taking phenazopyridine that they may notice a change in urine color. Which color would the nurse identify?

A. purple: Phenazopyridine does not cause purple urine. B. blue: Blue urine is not associated with phenazopyridine. C. green: Green urine is not a typical side effect of phenazopyridine. D. orange: Correct. Phenazopyridine is a urinary analgesic that causes a distinctive orange-red discoloration of the urine.