This condition has been well controlled with a regimen of phenytoin. Which of the following signs or symptoms indicates phenytoin toxicity?


#1

A 17-year-old patient suffers from tonic–clonic seizures. This condition has been well controlled with a regimen of phenytoin. Which of the following signs or symptoms indicates phenytoin toxicity?

(A) diplopia and abnormal gait
(B) hyperprolactinemia
© polydipsia and polyuria
(D) postural hypotension
(E) rigidity and tremor