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).