The invention relates to a pharmaceutical composition comprising a pharmaceutically acceptable salt of N-ethyl-N-phenyl-1, 2, -dihydro-4-hydroxy-5-chloro-1-methyl-2-oxoquinoline-3-carboxamide, N-methylglucamine, and a pharmaceutically acceptable carrier.本發明係關於一種醫藥組合物,其包含N-乙基-N-苯基-1,2-二氫-4-羥基-5-氯-1-甲基-2-氧代喹啉-3-甲醯胺之醫藥學上可接受之鹽、N-甲基葡糖胺及醫藥學上可接受之載劑。