polystyrene sulfonate (Kayexalate)
Class:
Vitamins/Minerals/Electrolytes Potassium-Binding Agents
Indication:
Hyperkalemia.
Mode of Action:
Exchanges Na+ ions for K+ ions in the intestine, resulting in ↑ excretion of K+.
Cautions:
Not in source
Indication:
Diarrhea or constipation, fecal impaction, nausea, vomiting, hypokalemia.
NC/PT:
Monitor patient stools for constipation, as concurrent laxatives may be necessary. Expected range of K: 3.5 - 5 mEq/L.