A man is diagnosed with benign prostatic hypertrophy and wants to avoid surgery. He asks the nurse about using saw palmetto. What information will the nurse include when teaching this patient about this herb?
a. "Gastric disturbances are common while using this herb."
b. "Saw palmetto may help treat erectile dysfunction (ED) as well."
c. "Use saw palmetto for up to 30 days and stop taking it when effects occur."
d. "You should stop taking the herb 1 to 2 weeks prior to prostate-specific antigen (PSA) testing."
ANS: D
Saw palmetto can cause a false-negative test result for PSA, so patients should stop taking it 1 to 2 weeks prior to this test. GI effects are rare. It is not effective in treating ED. Effects usually don't occur until 30 days, and it may be taken long term.
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