Patent ID: 7101888

Claim:
A pharmaceutical composition in a form of an orally deliverable liquid, the composition comprising water having in solution therein a pharmaceutically acceptable water-soluble salt of a tolterodine related compound” herein is tolterodine, (R)-N,N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenylpropanamine, its (S)-enantiomer or a racemic mixture thereof; a metabolite thereof that exhibits antimuscarinic activity, including (R)-N,N-diisopropyl-3-(2-hydroxy-s-hydroxmethylphenyl)-3-phenylpropanamle (herein “hydroxytolterodine”), its (S)-enantiomer or a racemic mixture thereof; or a prodrug of tolterodine, hydroxytolterodine, the (S) enantiomers or racemic mixtures. A preferred such compound is tolterodine at a therapeutically effective concentration in the composition; wherein the composition has a pH of about 2 to about 6 and further comprises a sweetening agent and an antimicrobial agent at a concentration that is antimicrobially effective at the pH of the composition.