pentobarbital will lessen the level or outcome of budesonide by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Watch.pentobarbital will lower the level or effect of amlodipine by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of.pentobarbital will lessen the extent or outcome of conjugated estrog