Skummende antacida-suspensionstabletter

The invention relates to antacid preparations comprising the following constituents:(i) an acid-binding active constituent (antacid) or a mixture of such active constituents,(ii) an effervescent mixture that releases CO2,(iii) a polymeric surfactant as foam-forming agent or a mixture of such surfactants,(iv) a swellable and gel-forming polymer or a mixture of such polymers, and(v) optionally conventional auxiliary substances,as well as a process for the production of such antacid preparations. In a particularly preferred embodiment the antacid preparation is formulated in the form of a chewable tablet. The antacid preparations according to the invention are suitable for the symptomatic treatment of duodenal ulcers, gastric ulcers, as well as heartburn and acid-caused gastric disorders such as hyperacidic gastritis.