Reye's syndrome: Children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use this product. When using this product, if changes in behavior with nausea and vomiting occur, consult a doctor because these symptoms could be an early sign of Reye's syndrome, a rare but serious illness. Allergy alert: Aspirin may cause a severe allergic reaction which may include: • Hives • Facial Swelling • Shock • Asthma (Wheezing). Liver warning: This product contains acetaminophen. Server liver damage may occur if you take. • More than 4 powders in 24 hours, which is the maximum daily amount. • With other drugs containing acetaminophen. • 3 or more alcoholic drinks every day while using this product. Stomach bleeding warning: This product contains an NSAID, which may cause severe stomach bleeding. The chance is higher if you. • Are age 60 or older. • Have had stomach ulcers or bleeding problems. • Take a blood thinning (anticoagulant) or steroid drug. • Take other drugs containing prescription or nonprescription NSAIDs (Aspirin, Ibuprofen, Naproxen, Or Others). • Have 3 or more alcoholic drinks every day while using this product. • Take more or for a longer time than directed. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach children.