Naproxen sodium 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. 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 the stomach bleeding warning applies to you, you have a history of stomach problems, such as heartburn, you have high blood pressure, heart disease, liver cirrhosis, or kidney disease, you are taking a diuretic, you have problems or serious side effects from taking pain relievers or fever reducers, you have asthma. Ask a doctor or pharmacist before use if you are under a doctor supervision.

WARNING: This product can expose you to chemicals including , which is known to the State of California to cause . For more information go to https://www.p65warnings.ca.gov.