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 * shock * facial swelling * asthma (wheezing)

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