Naproxen: The Truth About This Long-Lasting Painkiller

By Dr. Emily Carter, MD - Internal Medicine & Pharmacology Specialist

I`ve reviewed thousands of medication histories. Naproxen is one of the most effective - and most misunderstood - NSAIDs. This guide cuts through the myths - no scare tactics, just facts from real clinical practice.

Naproxen pills in a bottle

What Is Naproxen?

Naproxen is a **nonsteroidal anti-inflammatory drug (NSAID)** used to treat:

It works by blocking COX-1 and COX-2 enzymes - but unlike ibuprofen, it lasts **8-12 hours**, making it ideal for chronic pain.

Standard Dosing for Adults

ConditionDoseFrequencyMax Daily
Mild to Moderate Pain220 mg (OTC)Every 8-12 hrs660 mg
Arthritis, Tendonitis500-1000 mg2x daily1500 mg
Menstrual Cramps550 mgFirst dose, then 275 mg every 6-8 hrs1375 mg
"I used ibuprofen for years. Switched to naproxen for my knee arthritis - now I only take it twice a day, and the pain stays down."
- Linda, 56, yoga instructor

Common Side Effects - Real Patient Reports

In my practice, the most frequent complaints:

Serious Risks You Should Know

Naproxen is safe for short-term use - but long-term use carries risks:

1. Stomach Ulcers and Bleeding

NSAIDs reduce protective mucus. Risk ? with:

Tip: Take with food or add famotidine.

2. Kidney Damage

Naproxen reduces blood flow to kidneys. Risk ? with:

Tip: Drink water, avoid in hot climates.

3. Increased Blood Pressure

Studies show naproxen can raise BP by 3-5 mmHg. Dangerous for people with hypertension.

4. Heart Attack and Stroke Risk

Long-term high-dose use may increase cardiovascular risk - especially in people with heart disease.

Naproxen vs Ibuprofen: Which Is Better?

FeatureNaproxenIbuprofen
Duration8-12 hours4-6 hours
Best ForChronic pain, arthritisAcute pain, fever
Dosing Frequency2x/day3-4x/day
Kidney RiskHigherModerate
Heart RiskModerateModerate
Cost (OTC)$$$

Safe Use Tips

Real Patient Case: David`s Arthritis Relief

David, 60, had osteoarthritis in both knees. Took ibuprofen 600 mg 3x/day - but pain returned every 5 hours.

We switched to:

  1. Naproxen 500 mg 2x/day
  2. Topical diclofenac gel
  3. Physical therapy

Result: Pain controlled for 12 hours, fewer doses, less stomach irritation.

Frequently Asked Questions

Can I take naproxen with other medications?

Be careful. It can interact with:

Always check with your doctor.

Is it safe during pregnancy?

No, especially after 20 weeks. Can cause fetal kidney problems and premature closure of the ductus arteriosus.

Can children take it?

Yes, but only under doctor supervision. Dose by weight. Not for children under 12 without prescription.

Does it cause liver damage?

Rarely. Unlike acetaminophen, naproxen is not hepatotoxic - but high doses can affect liver enzymes.

Can I drink coffee with naproxen?

Yes, but caffeine can worsen stomach irritation - avoid on empty stomach.

Clinical Studies & Trusted Sources

Final Thoughts

Naproxen is one of the most effective OTC painkillers - but not harmless. It`s not a "safe because it`s OTC" drug.

Use it wisely: short-term, at the lowest effective dose, and only when needed.