A Patient Who Uses Multiple Herbal Products Is Scheduled to Undergo

A patient who uses multiple herbal products is scheduled to undergo knee-replacement surgery. The nurse informs the patient that herbs that should be discontinued at least 3 weeks before surgery include (Select all that apply.)

A) kava.
B) ginger.
C) chamomile.
D) echinacea.
E) saw palmetto.
F) St. John's wort.