THE 2-MINUTE RULE FOR PHENOBARBITAL HALF GRAIN

five. Phenytoin, sodium valproate, valproic acid: The effect of phenobarbital over the metabolism of phenytoin appears being variable. Some investigators report an accelerating effect, though others report no effect. Since the effect of phenobarbital within the metabolism of phenytoin will not be predictable, phenytoin and phenobarbital blood level