To provide a pharmaceutical composition containing a 2-nitroimidazole derivative, which has high solubility in an aqueous carrier and high stability. The pharmaceutical composition is characterized by containing 1-(l-hydroxymethyl-2,3-dihydroxypropyl)oxymethyl-2-nitroimidazole and creatinine, and containing creatinine of 0.001 to 1 part by mass with respect to 1 part by mass of 1-(l-hydroxymethyl-2,3-dihydroxypropyl)oxymethyl-2-nitroimidazole .
