The nurse is teaching a client regarding the use of herbal preparations. Which statements should the nurse include in this teaching?
1. "Echinacea might reduce the effectiveness of the immunosuppressant medications you've been prescribed since your transplant."
2. "Gingko could affect the results of your aspirin therapy."
3. "Ginger could be contraindicated because you are taking anticoagulant medications."
4. "With your history of glaucoma, I don't believe you should be supplementing with ginseng."
5. "St. John's wort is a safe supplement when being medicated for depression."
Correct Answer: 1, 2, 3, 4
Rationale 1: Although it is believed by some to enhance the immune system, echinacea can reduce the effectiveness of immunosuppressants.
Rationale 2: Gingko can increase the anticoagulant effects of aspirin and anticoagulant medications.
Rationale 3: Ginger can increase the anticoagulant effects of aspirin and anticoagulant medications.
Rationale 4: Ginseng can decrease the effectiveness of glaucoma medications.
Rationale 5: St. John's wort can potentiate antidepressant medications, causing severe agitation and nausea.
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