New rebamipide complexes and new rebamipide cocrystals are disclosed, specifically a 1:1 rebamipide nicotinamide complex, a 1:1 rebamipide nicotinamide cocrystal, a 1:1 rebamipide 2,4-dihydroxybenzolc acid complex, and a 1:1 rebamipide 2,4-dihydroxybenzoic acid cocrystal. Pharmaceutical compositions containing a rebamipide complex or cocrystal of the invention and a pharmaceutically acceptable carrier and methods of treatment are also disclosed.