Butabarbital, calcium/magnesium/potassium/sodium oxybates. Either will increase results of one other by pharmacodynamic synergism. Contraindicated. Coadministration with Liquor or sedative hypnotics are contraindicated as a consequence of additive CNS depression. butabarbital will decrease the level or impact of cyclosporine by influencing hepatic/intestinal enzyme CYP3A4 metabolism. ... https://ferdinandf024psy2.wikievia.com/user