Sodium Polystyrene Sulfonate
What is Sodium Polystyrene Sulfonate Sodium polystyrene sulfonate is a cation-exchange resin used in the treatment of hyperkalemia. Each gram of resin will remove roughly 3 mEq of potassium in vitro, but because sodium polystyrene sulfonate can bind other cations, the actual amount of potassium removed in vivo is closer to 1 mEq per gram of drug. Sodium …