FIELD: medicine, pharmaceutics.
SUBSTANCE: claimed invention claims a group of inventions: liquid pharmaceutical composition for treating restless legs syndrome, Parkinson's disease, secondary parkinsonism, Parkinson-like syndrome, Huntington's disease, progressing supranuclear paralysis, multiple system atrophy or amyotrophic lateral sclerosis, containing arginine, carbidopa and therapeutically effective quantity of levodopa, constituting 3 wt % or more, with composition having pH 8.8-10, as well as set of the same purpose and method of treating said neurological diseases.
EFFECT: technical result consists in carbidope and levodope stability in claimed composition at 25°C for 2 days and longer even in case of levodopa content higher than 8,5 wt %.
16 cl, 12 dwg, 6 tbl, 18 ex
