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What Is Naprosyn?

Naprosyn is a brand name for naproxen, a nonsteroidal anti-inflammatory drug (NSAID). It is prescribed to relieve pain, inflammation, swelling, and stiffness associated with conditions such as arthritis, tendinitis, bursitis, and acute gout. Naproxen is also used for certain types of menstrual pain. Prescription Naprosyn formulations should be distinguished from over-the-counter naproxen sodium products, which have different labeled dosing instructions.

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What Is Naprosyn?

Naprosyn is a brand name for naproxen, a nonsteroidal anti-inflammatory drug (NSAID). It is prescribed to relieve pain, inflammation, swelling, and stiffness associated with conditions such as arthritis, tendinitis, bursitis, and acute gout. Naproxen is also used for certain types of menstrual pain. Prescription Naprosyn formulations should be distinguished from over-the-counter naproxen sodium products, which have different labeled dosing instructions.

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How Does Naprosyn Work?

Naproxen inhibits cyclooxygenase enzymes, commonly called COX-1 and COX-2, which contribute to the production of prostaglandins. These substances play a role in pain, inflammation, and fever. By reducing prostaglandin production, naproxen helps relieve painful swelling and stiffness. The same mechanism can also affect the stomach lining, kidneys, and blood clotting, contributing to potential adverse effects.

What Conditions Can Naprosyn Treat?

Prescription naproxen is used for rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, juvenile arthritis in certain patients, tendinitis, bursitis, acute gout, primary dysmenorrhea, and mild to moderate pain. The exact indication depends on the formulation and prescribing information. Treatment selection considers the patient's age, medical history, cardiovascular risk, kidney function, and other medications. Naproxen relieves symptoms but does not cure inflammatory arthritis.

How Is Naprosyn Taken?

Naprosyn is taken orally, with the dose and schedule determined by the condition being treated. It can be taken with food or milk to reduce stomach discomfort, although this does not prevent serious gastrointestinal complications. Use the lowest effective dose for the shortest duration consistent with treatment goals. Do not combine prescription naproxen with other NSAIDs unless specifically directed by a clinician.

What Are the Side Effects and Risks of Naprosyn?

Common side effects include indigestion, heartburn, nausea, abdominal discomfort, and dizziness. Serious risks include gastrointestinal bleeding or ulcers, heart attack, stroke, kidney injury, and severe allergic or skin reactions. NSAIDs carry boxed warnings for cardiovascular and gastrointestinal events. Naproxen is contraindicated in the setting of coronary artery bypass graft surgery and should generally be avoided at about 30 weeks of pregnancy or later due to fetal risks.

Common Questions About Naprosyn

Is Naprosyn the same as naproxen?

Yes. Naprosyn is a brand name for prescription naproxen. Different naproxen and naproxen sodium formulations can have different strengths and dosing instructions.

Can Naprosyn be taken with ibuprofen?

Combining naproxen with ibuprofen increases the risk of side effects, including stomach bleeding and kidney problems. Do not use both together unless a clinician specifically instructs you to do so.

Does Naprosyn reduce inflammation?

Yes. Naproxen reduces prostaglandin production, helping relieve pain, swelling, and stiffness associated with inflammatory conditions.

Is Naprosyn safe during pregnancy?

Naproxen should generally be avoided from about 20 weeks of pregnancy unless a healthcare professional determines it is necessary. NSAID use at about 30 weeks or later should be avoided because of serious fetal risks.

References

DailyMed - NAPROSYN (naproxen) tablet, EC-NAPROSYN delayed-release tablet, and ANAPROX DS tablet. https://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=8bff5df5-d856-4237-b6a8-ae445b454844. Date Accessed October 16, 2026.

Naproxen. LiverTox. https://www.ncbi.nlm.nih.gov/books/NBK548159/. Date Accessed October 16, 2026.

Naproxen. MedlinePlus. https://medlineplus.gov/druginfo/meds/a681029.html. Date Accessed October 16, 2026.

Naproxen. PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/Naproxen. Date Accessed October 16, 2026.

Naproxen. StatPearls. https://www.ncbi.nlm.nih.gov/books/NBK525965/. Date Accessed October 16, 2026.