pentobarbital will reduce the level or impact of doxorubicin by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Observe.Pentobarbital may well reduce the excretion rate of Abacavir which could result in the next serum degree.Phenobarbital is shown to shorten the 50 percent-lifetime of doxycycline for as long as 2 months after b