What important information must the nurse gather regarding a client taking St. John’s wort?

Study for the UWorld Pharmacology Test. Use flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

When a client is taking St. John’s wort, it is crucial to gather information about any concurrent use of prescription antidepressant medications because St. John’s wort can interact with these drugs, potentially leading to serious side effects. Specifically, St. John’s wort is known to be a potent inducer of cytochrome P450 enzymes, which can decrease the effectiveness of certain antidepressants, or it may increase the risk of serotonin syndrome when taken with SSRIs or SNRIs. Therefore, identifying if the client is on any prescription antidepressants allows the nurse to assess the risk of interactions and adjust the care plan accordingly to ensure the client’s safety and effectiveness of treatment.

The other options provide valuable information but do not directly address the critical concern of potential drug interactions that can lead to serious health complications while the client is using St. John’s wort.

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