This herb has been used for natural pain relief, reducing fever and inflammation, and recent studies are proving the traditional indications of white willow to be correct. In the herbal treatment of rheumatoid arthritis and lower back pain, a daily dose of white willow led to a dramatic reduction in pain. White willow bark is one of the herbs used for migraine and headache treatment. The use of white willow bark is also indicated for fibromyalgia, post surgical pain, Crohn’s disease, warts treatment and any condition characterized by pain and inflammation.