Ten to 20 mg of albuterol, a β-agonist administered via continuous mask nebulization, may be used to stimulate potassium transport into the cell. It may reduce the serum potassium by about 0. 5 mEq in minutes, with a peak effect seen a( around 90 minutes. 2, 4. 6 Albuterol frequently is un- derutilized in treating hyperkalemia and may be especially valuable in patients experiencing renal failure who have a fluid overload together with breathing difficulty, and may benefit from an albuterol respiratory treatment in spite of their hyperkalemia.