Phenytoin - an antiepileptic and antiarrhythmic drug. It acts
stabilizes the cell membrane of neurons by modifying the
ion flow causes an increase in the seizure threshold. During
action potential, it inhibits the intracellular sodium current, during the
depolarization phase reduces the influx of calcium ions into the cell
Inhibits the motor cortex and subcortical centers responsible for the tonic
phase of convulsions. Phenytoin weakens the force of myocardial contraction and
also affects myocardial impulse conduction. Determination of
Used in suspected drug overdose.
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