pentobarbital will minimize the extent or impact of armodafinil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minimal/Significance Unidentified.pentobarbital will reduce the level or impact of clarithromycin by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Slight/Significance Unidentified."At 81 several years of age, I don't fe