If a female patient was already taking an oral contraceptive (i.e., birth control pill), what best describes the advice you would provide to her regarding St. John's wort?
A. She should take her St. John's wort one hour before or two hours after taking her oral contraceptive so they will not interact.
B. St. John's wort may increase the metabolism of her oral contraceptive so she must speak with her doctor before taking them together.
C. St. John's wort may decrease the metabolism of her oral contraceptive so she must speak with the doctor before taking them together.
D. Early evidence suggested that there may be an interaction between St. John's wort and oral contraceptives, but the most recent evidence indicates that this is no longer a concern.
Answer:B
If a female patient was already taking an oral contraceptive (i.e., birth control pill), what best describes the advice you would provide to her regarding St. John's wort?
A. She should take her St. John's wort one hour before or two hours after taking her oral contraceptive so they will not interact. B. St. John's wort may increase the metabolism of her oral contraceptive so she must speak with her doctor before taking them together. C. St. John's wort may decrease the metabolism of her oral contraceptive so she must speak with the doctor before taking them together. D. Early evidence suggested that there may be an interaction between St. John's wort and oral contraceptives, but the most recent evidence indicates that this is no longer a concern.