Both sit on the same pharmacy shelf, both kill pain, and both are NSAIDs that most people grab without reading the fine print. Yet the naproxen vs ibuprofen decision actually changes how often you dose, how your stomach feels, and even your cardiovascular risk profile over time. Naproxen, sold as Aleve, lasts roughly three times longer in the bloodstream than ibuprofen, which is why you take it twice a day instead of four. Our medical conditions guide puts these choices in context for common aches, injuries, and chronic pain. The bottom line up front: naproxen is convenient for longer-lasting pain, ibuprofen is better for quick short-term relief, and the two are closer in effectiveness than marketing suggests.
Naproxen and Ibuprofen: Quick Comparison
Naproxen sodium 220 mg is the OTC strength (Aleve), while prescription naproxen tablets are 250, 375, or 500 mg. Ibuprofen is 200 mg OTC and up to 800 mg by prescription. Both are nonselective NSAIDs that inhibit COX-1 and COX-2 enzymes. The defining difference is pharmacokinetics: naproxen’s half-life is 12 to 17 hours, while ibuprofen’s is 2 to 4 hours, per the FDA DailyMed labels.
How Each One Works
Both drugs block cyclooxygenase enzymes, reducing prostaglandin production. Prostaglandins amplify pain signals, provoke inflammation, and reset the body’s temperature set point during fever. Turning them off calms all three.
The difference comes down to potency per milligram and duration. Ibuprofen acts faster (peak in about one hour) but fades quickly. Naproxen peaks in one to two hours and stays above therapeutic levels far longer, giving you sustained anti-inflammatory effect with fewer doses per day.
Effectiveness: Head-to-Head Research
A Cochrane systematic review of NSAID trials found no consistent superiority of one over the other for acute pain. Individual trials in migraine, dental pain, and dysmenorrhea show roughly comparable number-needed-to-treat values.
For chronic conditions like rheumatoid arthritis and osteoarthritis, naproxen’s longer duration gives it practical advantages because patients maintain steadier drug levels. The PRECISION trial confirmed that naproxen’s cardiovascular safety is comparable to celecoxib and slightly better than ibuprofen.
Side Effects Compared
Both drugs can cause stomach irritation, ulcers, kidney strain, elevated blood pressure, fluid retention, and (rarely) serious GI bleeds. FDA warnings apply to the entire NSAID class.
Key distinction: ibuprofen carries slightly higher cardiovascular risk than naproxen in head-to-head observational data, especially at high doses. Naproxen’s GI risk is generally a bit higher because of its long duration of COX-1 inhibition. Neither drug is kidney friendly with heavy use.
Dosing and How to Take Each
Adult ibuprofen: 200 to 400 mg every 4 to 6 hours, max 1,200 mg per day OTC. Adult naproxen sodium: 220 mg every 8 to 12 hours, max 660 mg per day OTC. With a prescription, naproxen can go up to 1,500 mg daily for short courses. Take either with food or milk to blunt stomach upset. For related dosing questions, see our article on how often to take ibuprofen.
Which Is Better for Inflammation and Chronic Pain?
For a twisted ankle, period cramps, or a tension headache, either works and ibuprofen’s faster onset is convenient. For arthritis, tendonitis, gout flares, and bursitis, naproxen’s long half-life is usually more practical because you maintain anti-inflammatory coverage all day with just two doses.
Back pain studies suggest naproxen is roughly equivalent to ibuprofen when taken on schedule. Our deep-dive on naproxen vs ibuprofen for back pain walks through the evidence.
Cost and Availability
Generic naproxen sodium 220 mg is roughly $8 to $14 for 100 caplets. Generic ibuprofen 200 mg is $5 to $10 for 100 tablets. Both are available without a prescription at every US pharmacy, supermarket, and convenience store. Brand-name Aleve and Advil run 50% to 100% more than generics.
Drug Interactions and Warnings
Both drugs interact with warfarin, aspirin, SSRIs, lithium, methotrexate, and ACE inhibitors. Concurrent aspirin blunts ibuprofen’s pain effect and adds bleeding risk. People with uncontrolled hypertension, chronic kidney disease, heart failure, or active ulcers should avoid both unless a clinician has weighed the risks. Our Tylenol vs ibuprofen comparison is worth reading if you need an NSAID alternative.
When to seek emergency care: Call Poison Control (1-800-222-1222) or go to the ER immediately if you have taken more than the recommended dose of either medication.
Frequently Asked Questions
Is naproxen stronger than ibuprofen?
Not per milligram in the usual OTC sense. Naproxen sodium 220 mg is roughly equivalent to ibuprofen 200 to 400 mg in analgesic power. Naproxen lasts longer, not harder.
Can you take naproxen and ibuprofen together?
No. Both are NSAIDs, and combining them doubles GI, kidney, and cardiovascular risks without meaningfully improving pain relief. Alternate with acetaminophen instead.
Which is safer for the heart?
Current evidence from the PRECISION trial suggests naproxen has a slightly better cardiovascular profile than ibuprofen, though neither is considered heart-safe at high doses.
Which works better for arthritis?
Rheumatologists often prefer naproxen for chronic arthritis because its long half-life maintains steadier anti-inflammatory coverage, which matters for joint stiffness and morning pain.
Bottom Line
For short, sharp pain where you want relief in under an hour and will dose again soon, ibuprofen is a fine pick. For longer-lasting pain, inflammation, and conditions you want to manage with fewer daily doses, naproxen is usually more practical. Both carry the same class-wide risks, so take either with food, keep courses short, and talk to your doctor before using them daily for more than 10 days.