Butabarbital, calcium/magnesium/potassium/sodium oxybates. Both raises results of another by pharmacodynamic synergism. Contraindicated. Coadministration with Alcoholic beverages or sedative hypnotics are contraindicated as a result of additive CNS melancholy. butabarbital will minimize the level or influence of aprepitant by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Us... https://helenv109dhl4.wikitron.com/user