The present invention addresses the problem of providing a stabilized solid composition of pyrrole carboxamide. To solve this problem, provided is a solid composition for medicinal use that comprises (S)-1-(2-hydroxyethyl)-4-methyl-N-[4-(methylsulfonyl)phenyl]-5-[2-(trifluoromethyl)phenyl]-1H-pyrrole-3-carboxamide optionally together with additive(s).