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 naproxen may decrease this benefit of aspirin taking any other drug. Warnings Allergy alert: Naproxen sodium may cause a severe allergic reaction, especially in people allergic to aspirin. Symptoms may include: hives facial swelling shock skin reddening rash asthma (wheezing) blisters If an allergic reaction occurs, stop use and seek medical help right away. Stomach bleeding waming: 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 steroid drug take a blood thinning (anticoagulant) or 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 Heart attack and stroke warning: NSAIDs, except aspirin, increase the risk of heart attack, heart failure, and stroke. These can be fatal. The risk is higher if you use more than directed or for longer than directed. When using this product take with food or milk if stomach upset occurs. Stop use and ask a doctor if you experience any of the following signs of stomach bleeding:feel faint blood have bloody or black stools that does not get better vomit have stomach pain you have symptoms of heart chest pain trouble breathing problems or stroke: slurred speech weakness in one part or side of body leg swelling pain gets worse or lasts more than 10 days fever gets worse or lasts more than 3 dalis stuck in your it feels like the pill iss you have difficulty swallowing throat redness or swelling is present in the painful area any new symptoms appear. 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 applies to you such as heartburn the stomach bleeding waming you have a history of stomach problems, you have high blood pressure, heart disease, liver cirrhosis, kidney disease, asthma, or had a stroke you are taking a diuretic you have problems or serious side effects from taking pain relievers or fever reducers. If pregnant or breast-feeding, ask a health professional before use. It is especially important not to use naproxen sodium at 20 weeks or later in 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. In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222).