Allergy alert: Naproxen sodium may cause a severe allergic reaction, especially in people allergic to aspirin. Symptoms may include:
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hives
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facial swelling
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asthma (wheezing)
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shock
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skin reddening
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rash
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blisters
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:
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are age 60 or older
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have had stomach ulcers or bleeding problems
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take a blood thinning (anticoagulant) or steroid drug
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take other drugs containing prescription or nonprescription NSAIDs (aspirin, ibuprofen, naproxen, or others)
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have 3 or more alcoholic drinks every day while using this product.
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take more or for a longer time than directed.