Kaliuresis

Increased renal excretion of potassium in the urine (normal range: 25–100 mmol/L/day).

Causes

• Hormonal and endocrine causes

  • Hyperaldosteronism

  • Cushing syndrome

• Medications causing renal potassium wasting

  • Thiazide diuretics

  • Loop diuretics (furosemide)

  • Corticosteroids

  • Penicillin and related antibiotics

  • Amphotericin B

  • Gentamicin

• Metabolic alkalosis

• Renal tubular causes

  • Fanconi syndrome

  • Renal tubular disorders

  • Distal renal tubular acidosis

  • Tubulointerstitial kidney disease

• Other causes

  • High dietary sodium intake increasing renal potassium loss

  • Recovery phase after acute kidney injury

  • Genetic renal salt-wasting disorders

  • Excessive urinary flow states (osmotic diuresis)