Relieves migraines, headaches, fever, muscle and joint pain LIQUID-FAST® RELIEF Ibuprofen capsules 400 mg* *Each liquid filled capsule contains Ibuprofen 400 mg (present as free acid and potassium salt). Indications: For temporary relief of mild to moderate migraine headaches including associated symptoms of nausea, and sensitivity to light and sound. Advil Extra Strength Liqui-Gels also provide fast and effective relief of non-migraine headaches, minor aches and pain associated with muscles, joints and backache, pain from inflammation associated with arthritis or physical overexertion, relief of toothache and menstrual pain, in addition to reducing fevers. Advil Extra Strength Liqui-Gels provide long lasting pain relief, up to 8 hours.