pentobarbital will lower the level or outcome of dexamethasone by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of.pentobarbital will enhance the level or impact of clopidogrel by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on.Just after halting a CYP3A4 inducer, as the consequences