How to store Coumadin correctly

Improperly stored medication loses potency and, in some cases, becomes unsafe. Coumadin (Warfarin) is supplied as tablet at 1mg, 2mg, 2.5mg, 3mg, 4mg, 5mg, 6mg, 7.5mg, 10mg and, like most modern oral medications, is stable under normal household conditions when stored as directed. A few simple rules cover most of the practical risks.

Standard storage for Coumadin

According to the prescribing information for Warfarin, Coumadin should be kept at controlled room temperature in the original packaging, away from direct sunlight and excessive humidity. Bathrooms and the area near a stove are not ideal because of humidity and temperature swings. The kitchen drawer or a closet shelf is usually fine.

Shelf-life and child safety

Each Coumadin pack has a printed expiry date; tablets should be discarded after that date. tablet that look discoloured, broken or smell different from the original packaging should not be used. Where a household includes children, Coumadin should be stored well out of reach in a closed container, ideally with a child-resistant cap.

Frequently asked questions

Where should I keep my Coumadin? ▾

A cool, dry place at room temperature in the original Coumadin packaging is best. Avoid bathroom storage because of humidity. Keep the box out of direct sunlight and well out of reach of children at 1mg, 2mg, 2.5mg, 3mg, 4mg, 5mg, 6mg, 7.5mg, 10mg or any strength.

Can I take expired Coumadin? ▾

Expired Coumadin should not be taken. The active ingredient Warfarin may have degraded and the dose-effect relationship is no longer guaranteed. Replace expired packs and dispose of them following local pharmacy guidance.

More on Coumadin

The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.