All pairs

Dofetilide and Trimethoprim–sulfamethoxazole

Desk tier: Avoid together

Mechanism: labeled contraindication (labeled contraindication)

“The concomitant use of verapamil or the cation transport system inhibitors cimetidine, trimethoprim (alone or in combination with sulfamethoxazole), or ketoconazole with TIKOSYN is contraindicated”
Tikosyn (dofetilide), section CONTRAINDICATIONS. DailyMed label

Open this pair in the desk

All pairs for Dofetilide · Trimethoprim–sulfamethoxazole

Educational reference only. Not FDA-cleared. The Prescribing Information governs.