Pentobarbital will decrease the level or effect of buprenorphine buccal by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Check. pentobarbital will minimize the level or result of theophylline by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Watch. Patients stabilized on corticosteroid therapy could have to have dosage adjustments if barbitur... https://winstonm821ijo8.newsbloger.com/profile