A patient tells you that her urine is starting to look discolored. If you believe this change is due to medication, which of the following of the patient’s medication does not cause urine discoloration

 A patient tells you that her urine is starting to look discolored. If you believe this change is due to medication, which of the following of the patient’s medication does not cause urine discoloration?

A. Sulfasalazine
B. Levodopa
C. Phenolphthalein
D. Aspirin

Answer: D. Aspirin

 Aspirin is not known to cause discoloration of the urine.

Option A: Sulfasalazine may discolor the urine or skin to an orange-yellow color.
Option B: Levodopa may discolor the urine, saliva, or sweat to a dark brown color.
Option C: Phenolphthalein can discolor the urine to a red color.