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Pharmacology: Calcium polystyrene sulphonate contains ion Ca2+ in radical group of sulphonate resin which is a copolymer styrene divinylbenzene. By action as ion resin exchange. Calcium polystyrene sulphonate release ion Ca2+ and bind K+ by adsorption.
In oral administration, this medicine will cause process of ion exchange in gastrointestinal tract and then excreted in feces. Calcium polystyrene sulphonate does not effect to spontaneous motoric activity. Calcium polystyrene sulphonate cause elimination of ion K+ in renal failure patient.
