When teaching patients taking St. John's wort about drug and food interactions, the nurse will inform them of the following precautions:
A. Avoid foods containing large amounts of tyramine.
B. Eat adequate amounts of meat and cheese.
C. Increase the length of time in sunlight.
D. Consult your physician before taking any over-the-counter flu and cold medications.
E. It may decrease the effects of MAOIs.
ANS: A, D
St John's wort is known to cause photo sensitivity and may increase the effects of MAOIs and cold/flu medications.
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