... remedy, is used to treat such conditions as rheumatic pain, arthritis, fevers, and menopause. White willow extract comes ... relief, an analgesic, Relieve acute and chronic pain, including headache, back and neck pain, muscle aches, and menstrual cramps. 3. ... higher doses: ringing in the ears, ulcers, stomach burning, pain, cramping, nausea, gastrointestinal bleeding and liver toxicity, rash, dizziness ...