The present invention describes a liquid injectable composition comprising acetaminophen, hydroxyethylstarch and at least one osmolality agent. Further, the invention relates to a pharmaceutical composition for the prophylaxis and treatment of pain and fever containing said injectable composition. Additionally, the invention relates to a process for the manufacturing of the composition as well as a container comprising said liquid injectable composition.本發明描述一種液態可注射之組合物,其包含乙醯胺苯酚、羥乙基澱粉、及至少一種滲透壓度劑。此外,本發明係關於一種用於預防及治療疼痛及發燒之醫藥組合物,其係包含該可注射之組合物。另外,本發明係關於一種用於製造該組合物之方法,以及一種包含該液態可注射之組合物的容器。