Interaction: Vitamin D × Digoxin
Vitamin D × Digoxin
Severity: MODERATE Evidence: probable
Mechanism
Vitamin D promotes calcium absorption. Hypercalcemia potentiates digoxin toxicity.
Effect
Increased risk of digoxin toxicity if hypercalcemia develops
Management
Monitor serum calcium and digoxin levels. Avoid excessive vitamin D dosing.
Source
FDA digoxin labeling; Cheung K et al. J Clin Pharm Ther 2013
⚠️ MODERATE INTERACTION: Monitor closely if this combination is used.
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.