SPL Set ID: fe1eaaea-0697-4790-8f14-b9db08d42257

Sodium polystyrene sulfonate is a benzene, diethenyl- polymer, with ethenylbenzene, sulfonated, sodium salt and has the following structural formula: n The drug is a golden brown finely ground, powdered form of sodium polystyrene sulfonate, a cation-exchange resin prepared in the sodium phase with an in vitro exchange capacity of approximately 3.1 mEq ( in vivo approximately 1 mEq) of potassium per gram. The sodium content is approximately 100 mg (4.1 mEq) per gram of the drug. It can be administered orally or in an enema. One gram of sodium polystyrene sulfonate contains 4.1 mEq of sodium.