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Douglas J. Lanska, MD; Ivan Osorio, MD
Department of Neurology University Hospitals of Cleveland Cleveland, OH 44106

Arch Neurol. 1988;45(6):602-603.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.

—In their recent article Rosenfeld and coworkers¹ demonstrated that rapid loading with valproic acid was effective in limiting generalized tonic-clonic seizures during withdrawal of anticonvulsant therapy, but they did not consider the possible complications of such treatment. While valproic acid therapy is generally well tolerated,² adverse effects, such as gastrointestinal disturbances, stupor, and coma, may be more common with rapid loading.^2,3 The following case illustrates that rapid loading with valproic acid may cause an acute confusional state. Awareness of such side effects is important if rapid valproate loading is to be used.

Report of a Case.

—A 33-year-old woman with a remote history of absence seizures and long-standing generalized tonic-clonic seizures was brought to the hospital unresponsive following two convulsions. She had been taking carbamazepine (Tegretol) 200 mg orally four times daily. On examination she seemed awake but was unable to answer questions or follow simple commands. . . . [Full Text PDF of this Article]

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