potassium-sparing
3 interactions related to potassium-sparing
salt substitute + spironolactone
Most salt substitutes are made primarily of potassium chloride and can deliver 500 mg or more of potassium per quarter teaspoon. Spironolactone is a potassium-sparing diuretic that markedly reduces renal potassium excretion. Combining the two can cause severe, sometimes fatal hyperkalemia.
bananas + spironolactone
Bananas are a high-potassium food (around 422 mg per medium banana), and spironolactone is a potassium-sparing diuretic that reduces renal potassium excretion. Combining high dietary potassium with spironolactone can cause hyperkalemia, which may trigger dangerous cardiac arrhythmias.
coconut water + spironolactone
Coconut water is naturally high in potassium (roughly 600 mg per cup) and is often consumed in large volumes for hydration. Spironolactone is a potassium-sparing diuretic that reduces renal potassium excretion. Regular high-volume coconut water consumption with spironolactone can cause hyperkalemia, including cases reported in the medical literature.