Potassium × Potassium Sparing Diuretics

Severity: CRITICAL Evidence: well-established

Mechanism

Potassium-sparing diuretics reduce potassium excretion. Potassium supplements add to this effect.

Effect

Hyperkalemia; cardiac arrhythmia risk

Management

Avoid potassium supplements. Monitor serum potassium closely.

Source

FDA spironolactone labeling

⚠️ CRITICAL INTERACTION: This combination should be AVOIDED.

Disclaimer

This interaction record is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider before starting or stopping any supplement or medication.