Each yellow capsule-shaped tablet contains 1 g Methenamine Hippurate which is the Hippuric Acid Salt of Methenamine (hexamethylene tetramine). The tablet also contains inactive ingredients. FD&C Yellow No. 5 (tartrazine, see PRECAUTIONS), Magnesium Stearate, Povidone, and Saccharin Sodium.

UREX (methenamine hippurate) is a urinary tract antiseptic drug. Each white, scored UREX tablet contains methenamine hippurate 1 g (see HOW SUPPLIED). UREX (methenamine hippurate) tablets also contain: magnesium stearate, povidone and saccharin sodium. Chemically, methenamine hippurate is the hippuric acid salt of methenamine (hexamethylenetetramine).

PROSED®/DS is a dark blue, round, sugar coated tablet for oral administration. Each tablet contains: Methenamine 81.6mg, Phenyl Salicylate 36.2 mg, Methylene Blue 10.8 mg, Benzoic Acid 9.0 mg and Hyoscyamine Sulfate 0.12 mg.