NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is a major concern when using foscarnet?

  1. Myelosuppression

  2. Refrigeration of solution

  3. Renal impairment

  4. Nephrotoxicity

The correct answer is: Renal impairment

When using foscarnet, a major concern is renal impairment. Foscarnet is an antiviral medication that is known to cause nephrotoxicity by directly affecting the kidneys. Therefore, monitoring renal function and adjusting the dose accordingly is crucial when using foscarnet to minimize the risk of renal impairment. Myelosuppression is not a major concern with foscarnet, and while some medications may require refrigeration of the solution, this is not a primary concern with foscarnet.

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