Which electrolyte imbalance is most commonly seen with diuretic therapy?

Prepare for the PN Adult Medical Surgical Exam. Use flashcards and multiple choice questions, each with explanations. Enhance your understanding and boost your confidence for exam success!

Diuretic therapy is commonly associated with electrolyte imbalances, particularly hypokalemia. Diuretics, especially loop diuretics and thiazides, increase the excretion of potassium in the urine, leading to reduced potassium levels in the bloodstream. This loss occurs because diuretics inhibit sodium reabsorption in the renal tubules, and in exchange, potassium is often lost as well. As a result, individuals on these medications may develop hypokalemia, which can lead to various complications, such as muscle weakness, arrhythmias, and fatigue.

Understanding the mechanism of action of diuretics is crucial. By increasing urine output and sodium excretion, they inadvertently cause the kidneys to excrete more potassium. Monitoring potassium levels in patients on diuretic therapy is essential to prevent hypokalemia and manage any potential side effects.

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