*potassium binders are medications that bind potassium ions in the gastrointestinal tract, thereby preventing its intestinal absorption. they consist of polystyrene sulfonate resins attached to a cation and are administered either orally or by retention enema to patients who are at risk of developing hyperkalaemia (abnormal high serum potassium levels). increased serum potassium levels are a condition likely to occur in patients suffering from chronic kidney disease in advanced stages.*daily adult dose is 15 gm to 60 gm (15 gm =4 level teaspoons) one to four times daily.contraindicated in obstructive bowel disease.
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