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Flanax Pain Reliever Tablets

Generic name: naproxen sodium
Brand name: Flanax
Drug class: Nonsteroidal anti-inflammatory drugs

Medically reviewed by Melisa Puckey, BPharm. Last updated on Mar 1, 2024.

What is Flanax?

Flanax Pain Reliever Tablets contain naproxen sodium. Naproxen is a nonsteroidal anti-inflammatory drug (NSAID).

Flanax is used to treat minor aches and pains such as headache, back pain or toothache.

Flanax Pain Reliever Tablets can also be used to treat pain associated with a common cold and certain symptoms of arthritis and menstrual cramps.

Before taking this medicine

You should not take Flanax Pain Reliever Tablets when you:

How should I take Flanax Pain Reliever Tablets?

Flanax side effects

Get emergency medical help if you have any of these signs of an allergic reaction to Flanax: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop taking Flanax and seek medical attention or call your doctor at once if you have any of these serious side effects:

Less serious Flanax side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Naproxen side effects (in more detail)

Active Ingredients

Each Flanax Pain Reliever Tablet conatains naproxen sodium 220 mg (naproxen 200mg).

Other information

Each Flanax Pain Reliever Tablet contains: sodium 20 mg, store at 20-25°C (68-77°F). Avoid high humidity and excessive heat above 40°C (104°F).

Inactive ingredients



Popular FAQ

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.