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Treats fever and pain, including pain caused by arthritis, gout, menstrual cramps, tendinitis, headache, backache, and toothache. This is a non-steroidal anti-inflammatory medicine (NSAID).

Brand Names

Prevacid NapraPAC 375
Prevacid NapraPAC 500
Anaprox DS
Aleve Arthritis
All Day Pain Relief
Rite Aid Naproxen Sodium
Naprelan 500
EC Naprosyn

When You Should Not Take The Medication

You should not use this medicine if you have had an allergic reaction (including asthma) to naproxen, aspirin, or other NSAID medicines, such as diclofenac, ibuprofen, Advil®, Celebrex®, Ecotrin®, Motrin®, or Voltaren®. Do not use this medicine right before or right after having coronary artery bypass graft (CABG), a type of heart surgery.

How To Store And Dispose Of This Medicine

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Do not freeze the oral liquid.

Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine after you have finished your treatment. You will also need to throw away old medicine after the expiration date has passed.

Keep all medicine away from children and never share your medicine with anyone.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:
Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing.
Blistering, peeling, red skin rash.
Blood in your urine.
Bloody or black, tarry stools.
Change in how much or how often you urinate.
Chest pain, shortness of breath, or coughing up blood.
Flu-like symptoms.
Numbness or weakness in your arm or leg, or on one side of your body.
Pain in your lower leg (calf).
Problems with vision, speech, or walking.
Redness or swelling of the body area where you have pain.
Severe stomach pain.
Shortness of breath, cold sweat, and bluish-colored skin.
Sudden or severe headache.
Swelling in your hands, ankles, or feet.
Trouble swallowing.
Unusual bleeding, bruising, or weakness.
Vision changes.
Vomiting blood or something that looks like coffee grounds.
Yellowing of your skin or the whites of your eyes.

If you notice these less serious side effects, talk with your doctor:
Mild nausea, stomach pain, or heartburn, constipation.
Mild skin rash or itching.
Ringing in ears.

If you notice other side effects that you think are caused by this medicine, tell your doctor.