THE 2-MINUTE RULE FOR PHENOBARBITAL HALF GRAIN

five. Phenytoin, sodium valproate, valproic acid: The effect of phenobarbital about the metabolism of phenytoin appears to get variable. Some investigators report an accelerating effect, even though others report no effect. Since the effect of phenobarbital on the metabolism of phenytoin is not predictable, phenytoin and phenobarbital blood levels