pentobarbital will reduce the level or influence of darifenacin by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep track of.pentobarbital will decrease the level or effect of fosamprenavir by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe.pentobarbital and daridorexant both enhance sedation. Modif