Naproxen

Naproxen is a medication that is licensed to reduce pain and inflammation caused by various conditions, such as injury, arthritis, and menstrual cramps. By inhibiting the action of certain hormones that cause inflammation and pain in the body, the medicine is effective in reducing fever and reducing pain related to bone, muscle, or tendon injury or inflammation, among other things. Naproxen is available as either an over-the-counter or prescription drug and comes in tablet, caplet, or liquid form.

 

What Is Naproxen?

Naproxen (brand names include Aleve®, Naprosyn®, EC-Naprosyn®, Anaprox®, Anaprox® DS, and Naprelan®) is in a class of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). It is used to reduce pain, inflammation, and stiffness caused by many conditions, including injury, arthritis, gout, and menstrual cramps, as well as other types of bone, muscle, or tendon pain. It is also combined with other medications in several cold, allergy, and flu products.
 

Naproxen Uses?

Naproxen uses include:
 
Naproxen may also be combined with other medications in several common cold, allergy, and flu products to help relieve common cold symptoms such as fever and aches and pains.
 
(Click What Is Naproxen Used For? for more information on these uses, along with possible off-label uses for naproxen.)
 

How Does Naproxen Work?

Naproxen and other NSAIDs work by inhibiting the action of certain hormones that cause inflammation and pain in the body. These hormones are called prostaglandins.
 

Naproxen Effects

By blocking the effects of prostaglandins, naproxen is useful at:
 
  • Reducing pain related to bone, muscle, or tendon injury or inflammation
  • Reducing fever
  • Alleviating pain and joint swelling associated with different forms of arthritis and other diseases.
 

Naproxen: When and How Do I Take It?

Some general considerations for when and how to take naproxen include:
 
  • Naproxen comes in tablet, caplet (capsule-shaped tablet), or liquid form. It is usually taken by mouth no more than twice daily or every 12 hours as needed (or as directed by your healthcare provider) for pain relief. It is best if you take it with food.
     
  • Do not break, chew, or crush the naproxen tablet or caplet.
     
  • For naproxen to work properly, you have to take it as prescribed. Naproxen will not work if you stop taking it.
     
  • It is important to take the lowest effective dose for the least amount of time in order to treat your condition. This will decrease the chances of developing serious side effects.
     

Naproxen: Dosing

The dose of naproxen that your healthcare provider recommends will vary depending on a number of factors, including:
 
  • The medical condition being treated
  • Other medical conditions you may have
  • Other medications you may be currently taking.
     
As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so. You should not take over-the-counter naproxen for more than 10 days without talking to your healthcare provider.
 
(Click Naproxen Dosage for more information about dosing for naproxen.)
 

Side Effects of Naproxen

(The naproxen side effects listed below are NOT a complete list of possible side effects of this drug. Your healthcare provider can discuss a more complete list of side effects with you.)
 
As with any medicine, there are possible side effects with naproxen. Yet, not everyone who takes naproxen will experience side effects. When side effects do occur, in many cases they are minor, meaning that they require no treatment or are easily treated by you or your healthcare provider.
 
Common side effects with naproxen may include:
 
  • Heartburn
  • Stomach pain
  • Nausea
  • Constipation
  • Headache
  • Dizziness
  • Drowsiness
  • Itching
  • Unexplained rash
  • Ringing in the ears
  • Shortness of breath
  • Fluid retention.
     
Less common but serious side effects include:
 
These possible side effects are seen with all NSAIDs and can lead to life-threatening complications or even loss of life.
 
(Click Naproxen Side Effects to learn about the specific side effects of naproxen, including possible serious side effects to look out for.)
 

Drug Interactions With Naproxen

Naproxen has a number of medicines that it can potentially interact with.
 
(Click Naproxen Drug Interactions for more information about naproxen and these other medicines.)
 

Naproxen: What Should I Tell My Healthcare Provider?

The U.S. Food and Drug Administration (FDA) warns that people using NSAIDs (other than aspirin), including naproxen, may have a higher risk of having a heart attack or stroke than those who do not take NSAIDs. This risk may be higher in people who have been taking NSAIDs for a long time. These events can occur without any warning and can lead to death. Be sure to tell your doctor if you have or ever had any of the following:
 
Prior to taking naproxen, you should also tell your healthcare provider if you have:
 
  • Asthma
  • Congestive heart failure
  • Liver disease or liver failure
  • Kidney disease or kidney failure
  • Bleeding problems or are taking medicines that decrease your blood's ability to clot
  • Diabetes
  • Stomach ulcers, stomach bleeding, or a history of either condition
  • Any allergies to medicines, including sulfa drugs, aspirin, or other NSAID pain medicines.
     
Let your healthcare provider know if you:
 
  • Are pregnant or thinking about becoming pregnant (see Naproxen and Pregnancy)
  • Are breastfeeding
  • Drink alcohol frequently
  • Smoke
  • Are having or have recently had heart surgery.
     
Also, tell your healthcare provider about all other medicines you may currently be taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
 
(Click Naproxen Precautions and Warnings for more information on this topic, including information on who should not take naproxen.)
 

Naproxen Overdose

People who take too much naproxen may have overdose symptoms that could include, but are not limited to:
 
  • Vomiting
  • Stomach pain
  • Dizziness
  • Heartburn or indigestion
  • Excessive sleepiness
  • Difficulty breathing
  • Bleeding
  • Difficulty urinating.
     
If you happen to overdose on naproxen, seek medical attention immediately.
 

Naproxen: Storage Methods

Naproxen should be stored at in room temperature. Naproxen tablets should be kept in an airtight container.
 
Keep naproxen and all medications out of the reach of children.
 

Naproxen: What Should I Do If I Miss a Dose?

If you do not take your naproxen as scheduled, take your next dose as soon as you remember. If it is close to the next scheduled dose, skip the missed one and continue with normal dosing. Never take a double dose!
 

Naproxen Manufacturer

Naproxen is manufactured by several different companies depending on product selected. Some of these manufacturers include:
 
  • Roche Pharmaceuticals
  • Watson Pharmaceuticals
  • Blansett Pharmaceuticals
  • Teva Pharmaceuticals
  • Sandoz
  • Mylan Labs
  • Roxane Laboratories.
     
The specific manufacturers are listed on the package, or you can ask your pharmacist to help you find the appropriate contact information.
 

Generic Naproxen

Naproxen and naproxen sodium are generic medicines. They are also available under several brand names, including:
 
The difference between naproxen and naproxen sodium is that naproxen sodium is more rapidly absorbed into the body, which leads to faster pain relief. For people taking naproxen, pain relief can begin in about one hour. With naproxen sodium, pain relief can begin within 30 minutes.
 

Naproxen: Strengths

Naproxen is available in several strengths depending on the brand and whether it is over-the-counter or prescription strength.
 
Over-the-counter products are available as:
 
  • Naproxen sodium 220 mg oral tablets, gelcaps, or caplets
  • Pamprin® Maximum Strength All Day Relief 220 mg oral caplets
     
Prescription naproxen is available in the following strengths:
 
  • Naproxen 250 mg tablets
  • Naproxen 375 mg tablets (immediate, delayed, and extended-release)
  • Naproxen 500 mg tablets (immediate, delayed, and extended-release)
  • Naproxen 125mg/5mL oral suspension -- one teaspoon (5mL) contains 125 mg of naproxen
  • Naproxen Sodium 275 mg tablets
  • Naproxen Sodium 550 mg tablets.
     
Naproxen can also be found in some other over-the-counter combination cold and allergy medications. Be sure to always read the package label or speak with your healthcare provider before taking a medication.
 
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;