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.
Stomach bleeding warning: This product contains a non-steroidal anti-inflammatory drug (NSAID), which may cause stomach bleeding. The chance is higher if the user; has had stomach ulcers or bleeding problems takes a blood thinning (anticoagulant) or steroid drug takes other drugs containing prescription or nonprescription NSAIDs (aspirin, ibuprofen, naproxen, or others) takes more or for a longer time than directed is age 60 or older has 3 or more alcoholic drinks every while using this product.