Which-of-the-following-drugs-is-least-likely-to-have-a-pharmacokinetic-interaction-with-carbamazepine-

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15.3 The patient described in Question 15.1 was treated for six months with carbamazepine but, recently, has been experiencing breakthrough seizures on a more frequent basis. You are considering adding a second drug to this patient’s antiseizure regimen. Which of the following drugs is least likely to have a pharmacokinetic interaction with carbamazepine? A. Topiramate. B. Tiagabine. C. Levetiracetam. D. Lamotrigine. E. Zonisamide