FIELD: medicine, hematology. SUBSTANCE: composition in the form of aqueous injection solution or lyophilizate has erythropoietin, buffering agent, amino acid, urea and detergent at ratio, g/l: urea : amino acid : detergent = (5-50):(1-50):(0.05-5). Composition can contain additionally isotonic agent, chelating agent, for example, $$$ and others. Amino acid or a mixture of amino acids were taken from the following group: glycine, L-alanine, L-phenylalanine, L-arginine, L-leucine, L-isoleucine, L-glutamic acid and L-threonine. Nonionogenic surface-active substance, for example, polyethylene sorbitol laurate can be used as detergent. Composition can contain 100-1000000 U or, preferably, 100-2000 U erythropoietin per a dose 1-5 ml. EFFECT: enhanced effectiveness of composition. 7 cl, 2 tbl
