Ibuprofen may cause a severe allergic reaction, especially in people allergic to aspirin. Symptoms may include: hives, facial swelling, asthma (wheezing), shock, skin reddening, rash, blisters. If an allergic reaction occurs, stop use and seek medical help right away. Stomach bleeding: 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. Other in case of overdose, get medical help or contact a poison control center right away. Do not use: if you have ever had an allergic reaction to any other pain reliever/fever reducer, right before or after heart surgery. Ask a doctor before use if: you have never had migraines diagnosed by a health professional, you have a headache that is different from your usual migraines, you have the worst headache of your life, you have fever and stiff neck, you have headaches beginning after or caused by head injury, exertion, coughing or bending, you have experienced your first headache after the age of 50, you have daily headaches, you have a migraine so severe as to require bed rest, stomach bleeding warning applies to you, you have problems or serious side effects from taking pain relievers or fever reducers, you have a history of stomach problems, such as heartburn, you have high blood pressure, heart disease, liver cirrhosis, kidney disease, or asthma, you are taking a diuretic. Ask a doctor or pharmacist before use if you are: under a doctor's care for any serious condition, taking aspirin for heart attack or stroke, because ibuprofen may decrease this benefit of aspirin, taking any other drug. When using this product: take with food or milk if stomach upset occurs, the risk of heart attack or stroke may increase if you use more than directed or for longer than directed. Stop use and ask a doctor if: you experience any of the following signs of stomach bleeding: feel faint, vomit blood, have bloody or black stools, have stomach pain that does not get better, migraine headache pain is not relieved or gets worse after the first dose, any new symptoms appear. Pregnancy/breast-feeding if pregnant or breast-feeding, ask a health professional before use. It is especially important not to use ibuprofen during the last 3 months of pregnancy unless definitely directed to do so by a doctor because it may cause problems in the unborn child or complications during delivery. Keep out of reach of children.