Willow Bark

Are there any interactions with medications?

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Medications that slow blood clotting (Anticoagulant / Antiplatelet drugs)
Interaction Rating: Major Do not take this combination.

Willow bark might slow blood clotting. Taking willow bark along with medications that also slow blood clotting might increase the chances of bruising and bleeding.

Some medications that slow blood clotting include aspirin, clopidogrel (Plavix), diclofenac (Voltaren, Cataflam, others), ibuprofen (Advil, Motrin, others), naproxen (Anaprox, Naprosyn, others), dalteparin (Fragmin), enoxaparin (Lovenox), heparin, warfarin (Coumadin), and others.

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Aspirin
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

Willow bark contains chemicals similar to aspirin. Taking willow bark along with aspirin might increase the effects and side effects of aspirin.

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Choline Magnesium Trisalicylate (Trilisate)
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

Willow bark contains chemicals that are similar to choline magnesium trisalicylate (Trilisate). Taking willow bark along with choline magnesium trisalicylate (Trilisate) might increase the effects and side effects of choline magnesium trisalicylate (Trilisate).

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Salsalate (Disalcid)
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

Salsalate (Disalcid) is called a salicylate. It's similar to aspirin. Willow bark also contains a salicylate similar to aspirin. Taking salsalate (Disalcid) along with willow bark might increase the effects and side effects of salsalate (Disalcid).

Dosing considerations for Willow Bark.

The following doses have been studied in scientific research:

BY MOUTH:

• For back pain: Willow bark extract providing 120-240 mg salicin has been used. The higher 240 mg dose might be more effective.