A composition comprising a fixed dose composition comprising Compound (I), Compound (II), and Compound (III) for the treatment of hepatitis C, and a method for producing the same. [Selection] Figure 1AC型肝炎の治療に対する化合物(I)と、化合物(II)と、化合物(III)とを含む固定用量の組成物を含む組成物、及びその製造方法。【選択図】図1A