Therapeutic Group: cation exchange resin Presentation Level-K : Each container contains 150 gm powder of Calcium Polystyrene Sulfonate BP (99.934% w/w). Description Level-K (Calcium polystyrene sulfonate) is a cation exchange resin. It is insoluble in water and not absorbed from the gastrointestinal tract. Indications Level-K (Calcium polystyrene sulfonate) is indicated in patients with hyperkalemia associated […]