This system might be in the induction of hepatic microsomal enzymes that metabolize the antibiotic. If phenobarbital and doxycycline are administered concurrently, the clinical response to doxycycline really should be monitored intently. Phenytoin, sodium valproate, valproic acid: The influence of barbiturates to the metabolism of phenytoin seems to become variable. https://robertg913ihz9.blogscribble.com/profile