A nurse is administering acyclovir via intravenous (IV) route to a client who has varicella. Which of the following actions should the nurse take?

A. Incorrect: Stool softeners are not a standard intervention for acyclovir administration. B. Incorrect: Fluid intake should be increased after administration to prevent nephrotoxicity. C. Incorrect: Hypotension is not a common adverse effect of IV acyclovir. D. Correct: Acyclovir should be infused slowly over at least 1 hour to reduce the risk of nephrotoxicity.