The nurse provides patient teaching about chlorzoxazone (Paraflex) in preparation for the patient's discharge to home. The nurse evaluates the patient understands potential adverse effects when the patient makes what statement?
A) "This drug can cause diarrhea."
B) "My urine may turn orange to purple red while taking this drug."
C) "My skin may turn yellow but that will go away when I stop taking the drug."
D) "After I take a pill it will take 2 to 3 hours before I feel the effects."
B
Feedback:
The patient indicates an understanding of adverse effects of this drug by stating that his urine may be discolored while using the drug. Chlorzoxazone may discolor the urine, which will turn orange to purple-red when metabolized and excreted. Patients should be warned about this effect to prevent any fears of blood in the urine. Chlorzoxazone usually causes constipation, not diarrhea. The onset of action is usually within an hour after the drug has been taken. Yellow discoloration of the skin would indicate liver damage or dysfunction, which should be reported immediately.
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