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There are appropriate measures as secondary prevention of hypokalemia in patients who are susceptible more or have ongoing potassium losses based on their potassium level, including:

• Prescribe potassium chloride 20 mg BID: Patients with congestive heart failure and edematous conditions such as cirrhosis have to take it regularly
• Administrate Proton Pomp Inhibitors and H2 blocker drugs. It can inhibit bicarbonate formation in the stomach and its absorption, as well as limiting potassium loss.
• Prescribe potassium-sparing medications, such as Amiloride 1.25-2.5 mg BID

Prevention of hypokalemia in patients using diuretics

• Administering K-sparing diuretics is the most suitable preventive option. However, hyperkalemia should be considered in patients with diabetes and older cases (PMID: 11539714)

References

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