In clinical studies, the most common side effects were nausea, headaches, dizziness and vomiting. Refer to the Aleve PM drug facts label and use as directed.
As with all NSAIDs, this product contains a stomach bleeding warning and may cause severe stomach bleeding.
As with all NSAIDS, this product contains an allergy warning. Naproxen sodium may cause a severe allergic reaction, especially in people allergic to aspirin and other NSAIDs. If an allergic reaction occurs, stop use and seek medical help right away.
If you have experienced any side effect, stop use and consult with your doctor. See package labeling for complete information and warnings