Allergy alerts: Naproxen sodium may cause a severe allergic reaction, especially in people allergic to aspirin. Symptoms may include:
asthma (wheezing)
blisters
facial swelling
hives
rash
shock
skin reddening
If an allergic reaction occurs, stop use and seek medical help right away.
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 bad stomach ulcers or bleeding problems
take a blood thinning (anticoagulant) or steroid drug
take other drug 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.