A patient who is taking chlorpromazine calls the clinic to report having reddish-brown urine. What action will the nurse take?
a. Notify the provider and request orders for creatinine clearance and BUN levels.
b. Reassure the patient that this is a harmless side effect of this medication.
c. Tell the patient to come to the clinic for a urinalysis.
d. Tell the patient to discard any drug on hand and request a new prescription.
ANS: B
Aliphatic phenothiazines, such as chlorpromazine, can cause a harmless pink or red-brown urine discoloration. There is no need to evaluate renal function with creatinine clearance, BUN, or urinalysis. The discoloration does not indicate that the medication has expired.
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