Judged: two independent readers; copy check clear.
mephenytoin
mephenytoin Mephenytoin is a heterocyclic anticonvulsant drug used to help prevent seizures.
Mephenytoin is a heterocyclic anticonvulsant drug used to help prevent seizures. It appears to limit the spread of seizure activity in the brain by affecting sodium movement in neurons and raising resistance to excessive stimulation, but its use was limited because it could cause serious blood problems.