Which antiepileptic requires dose reduction when CrCl ≤ 80 mL/min?

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Multiple Choice

Which antiepileptic requires dose reduction when CrCl ≤ 80 mL/min?

Explanation:
Levetiracetam is cleared almost entirely by the kidneys, so as renal function declines, the drug’s clearance decreases and levels can build up. When CrCl is 80 mL/min or lower, a dose reduction or longer dosing interval is needed to avoid accumulation and potential toxicity. This renal dosing consideration is a defining feature for levetiracetam among antiepileptics. The other options listed are not antiepileptics, so they’re not relevant to anticonvulsant dosing in renal impairment.

Levetiracetam is cleared almost entirely by the kidneys, so as renal function declines, the drug’s clearance decreases and levels can build up. When CrCl is 80 mL/min or lower, a dose reduction or longer dosing interval is needed to avoid accumulation and potential toxicity. This renal dosing consideration is a defining feature for levetiracetam among antiepileptics. The other options listed are not antiepileptics, so they’re not relevant to anticonvulsant dosing in renal impairment.

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