Lung - nontumor
Other nonneoplastic disease

Topic Completed: 1 December 2011

Revised: 30 January 2019, last major update December 2011

Copyright: (c) 2003-2017,, Inc.

PubMed search: Kayexalate pulmonary

Elliot Weisenberg, M.D.
Page views in 2019: 126
Page views in 2020 to date: 11
Cite this page: Weisenberg E. Kayexalate. website. Accessed February 18th, 2020.
Definition / general
  • Sodium polystyrene sulfonate is cation exchange resin given enterally for hyperkalemia
  • May produce necrotizing or organizing pneumonia
Case reports
Microscopic (histologic) description
  • Basophilic amorphous foreign material in airspaces; PAS+, AFB+, Gram positive
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