The present invention relates to a composition for use as a capsule fill comprising (a) fexofenadine hydrohalide； (b) alkali hydroxide, wherein the molar ratio of the alkali hydroxide to fexofenadine is greater than 1.5:1； (c) a solvent, and optionally a solubilizer. This composition is a stable solution, and comprises a sufficiently high concentration of fexofenadine to be useful for manufacture of capsules comprising a pharmaceutically efficacious amount of the fexofenadine for treatment of the symptoms of allergies, hay fever, or urticarial. Further, the present invention relates to a capsule comprising such a fill.
