A client who is taking nitrofurantoin (Macrodantin) for a UTI voices a concern to the clinic nurse about voiding brown colored urine. Which of the following is an appropriate response by the nurse?
A) drinking more fluid will prevent your urine from becoming brown
B) the provider will change your medication because your infection is not resolving with the nitrofurantoin
C) an increase of RBC destruction in your blood can result in brown colored urine
D) brown colored urine is a harmless side effect of the medication.