pentobarbital will decrease the level or outcome of bexarotene by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of.pentobarbital will lower the level or impact of cinacalcet by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep track of.Contraindicated (1)pentobarbital will decrease the level o