Contraindicated (one)pentobarbital will minimize the extent or outcome of roflumilast by influencing hepatic/intestinal enzyme CYP3A4 metabolism.pentobarbital will lessen the level or effect of cilostazol by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of.pentobarbital will lower the extent or impact of maraviroc