Willow bark

Major therapeutic interest

• Relieving arthritis pain;
• Relieving lumbar pain.

Other therapeutic interest / Traditional Use

• Relieving symptoms of rheumatoid arthritis;
• Relieving cold and flu symptoms;
• Reducing fever;
• Relieving menstrual pain;
• Relieving headaches;
• Relieving neuralgia;
• Soothing muscular pain.

Cons-indications

Take the standard precautions recommended when using salicylates.

• Aspirin allergies;
• Asthma;
• Gastrointestinal irritations or ulcers;
• Bleeding disorders;
• Significant anemia;
• Pregnancy and/or breastfeeding;
• Chronic gout;
• Kidney disorders;
• Children and teenagers under 18 years old with viral illnesses due to a risk of developing Reye’s syndrome (potentially fatal disease associated with aspirin use in this group).

Drug Interactions

Suspected interactions

• May enhance the effect of anticoagulant/antithrombotic drugs (Coumadin, Lovenox, heparin, etc.), antiplatelet drugs (Plavix, Ticlid), and of salicylic acid derivatives (acetylsalicylic acid or ASA, aspirin, Entrophen, etc.) and other nonsteroidal anti-inflammatory drugs or NSAIDs (Voltaren, Ibuprofen [Advil, Motrin], Naprosyn, etc.), even though white willow extracts do not appear to have an effect on platelet aggregation.

Parts used

Fresh or dried bark of the young (two or three year-old) branches

Main constituents

• Phenolic compounds (salicin, salicortin, salidroside, etc.), tannins, flavonoids.

Other names

Salix alba