MCQ – 86949

Which drug binds potassium in the gastrointestinal lumen used in cases of hyperkalemia is?

Correct Answer � B Explanation

Ans.B. Patiromer is a non-absorbed, cation exchange polymer that contains a calcium-sorbitol counterion. It binds potassium in the lumen of the gastrointestinal tract and increases its excretion in faeces, thus it reduces the concentration of free potassium in the gastrointestinal lumen, resulting in a reduction of serum potassium levels.