a nonabsorbable cation exchange resin that binds colonic potassium in exchange for calcium, trapping potassium within the resin where it is then excreted in the feces.
often used for treatment of ★chronic hyperkalemia. (however, onset of action takes several hours, so it is not recommended as monotherapy in acute hyperkalemia)
GI disturbance, hypercalcemia, hypokalemia, hypomagnesemia
(sevelamer
phosphate binder that ☆prevents phosphate absorption from the GI tract
hyperphosphatemia in CKD
endocrinology
pharmacology
UWorld step2CK
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Memorize 29
