White willow bark is anti-inflammatory, analgesic, reduces fever, anti-rheumatic, astringent. Extremely effective for reducing joint, hip, and back pain caused by rheumatism and arthritis. It relieves inflammation and swelling, and improves mobility in painful, creaky joints. Also used to manage high fevers and may be used to ease headaches. White willow assists during menopause by reducing sweating during hot flashes and night sweats.