Naprelan 500

Name: Naprelan 500

Commonly used brand name(s)

In the U.S.

  • Aflaxen
  • Aleve
  • Aleve Arthritis
  • Anaprox
  • Anaprox DS
  • EC Naprosyn
  • Naprelan
  • Naprelan 500
  • Naprelan Dose Card
  • Naprosyn

In Canada

  • Naxen

Available Dosage Forms:

  • Tablet
  • Suspension
  • Tablet, Enteric Coated
  • Tablet, Extended Release
  • Capsule, Liquid Filled
  • Capsule

Therapeutic Class: Analgesic

Pharmacologic Class: NSAID

Chemical Class: Propionic Acid (class)

Important information

You should not use naproxen if you have a history of allergic reaction to aspirin or other NSAID (nonsteroidal anti-inflammatory drug).

Naproxen can increase your risk of fatal heart attack or stroke, especially if you use it long term or take high doses, or if you have heart disease. Even people without heart disease or risk factors could have a stroke or heart attack while taking this medicine.

Do not use this medicine just before or after heart bypass surgery (coronary artery bypass graft, or CABG).

Get emergency medical help if you have chest pain, weakness, shortness of breath, slurred speech, or problems with vision or balance.

Naproxen may also cause stomach or intestinal bleeding, which can be fatal. These conditions can occur without warning while you are using this medicine, especially in older adults.

What happens if I miss a dose?

Since naproxen is sometimes used only when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

Naproxen side effects

Get emergency medical help if you have signs of an allergic reaction to naproxen: sneezing, runny or stuffy nose; wheezing or trouble breathing; hives; swelling of your face, lips, tongue, or throat.

Get emergency medical help if you have signs of a heart attack or stroke: chest pain spreading to your jaw or shoulder, sudden numbness or weakness on one side of the body, slurred speech, feeling short of breath.

Stop using naproxen and call your doctor at once if you have:

  • shortness of breath (even with mild exertion);

  • swelling or rapid weight gain;

  • the first sign of any skin rash, no matter how mild;

  • signs of stomach bleeding - bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;

  • liver problems - nausea, upper stomach pain, itching, tired feeling, flu-like symptoms, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);

  • kidney problems - little or no urinating, painful or difficult urination, swelling in your feet or ankles, feeling tired or short of breath;

  • low red blood cells (anemia) - pale skin, feeling light-headed or short of breath, rapid heart rate, trouble concentrating; or

  • severe skin reaction - fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.

Common naproxen side effects may include:

  • indigestion, heartburn, stomach pain, nausea;

  • headache, dizziness, drowsiness;

  • bruising, itching, rash;

  • swelling; or

  • ringing in your ears.

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.

What other drugs will affect naproxen?

Ask your doctor before using naproxen if you take an antidepressant such as citalopram, escitalopram, fluoxetine (Prozac), fluvoxamine, paroxetine, sertraline (Zoloft), trazodone, or vilazodone. Taking any of these medicines with an NSAID may cause you to bruise or bleed easily.

Ask a doctor or pharmacist if it is safe for you to use this medicine if you are also using any of the following drugs:

  • cholestyramine;

  • cyclosporine;

  • digoxin;

  • lithium;

  • methotrexate;

  • pemetrexed;

  • phenytoin or similar seizure medications;

  • probenecid;

  • warfarin (Coumadin, Jantoven) or similar blood thinners;

  • a diuretic or "water pill";

  • heart or blood pressure medication; or

  • insulin or oral diabetes medicine.

This list is not complete. Other drugs may interact with naproxen, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

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