Yes, naproxen is available over the counter in the United States at a strength of 220 mg per tablet. You can find it in the pain relief aisle of any pharmacy or grocery store without a prescription. Higher-strength versions (375 mg, 500 mg, and 550 mg tablets) do require a prescription. The OTC and prescription versions contain the same active ingredient, just at different doses.
OTC Brand Names and Forms
The most widely recognized OTC brand is Aleve, which sells naproxen sodium in 220 mg tablets, caplets, and liquid gels. Many stores also carry generic versions labeled simply as “naproxen sodium 220 mg,” which are identical in strength and function. Prescription-only brands include Naprosyn (500 mg tablets), EC-Naprosyn (delayed-release tablets in 375 mg and 500 mg), and Anaprox DS (550 mg tablets).
What OTC Naproxen Treats
The FDA-approved uses for over-the-counter naproxen sodium cover a broad range of everyday pain and fever situations:
- Headache and toothache
- Backache and muscular aches
- Minor arthritis pain
- Menstrual cramps
- Pain and fever from the common cold
These are all considered temporary uses. OTC naproxen is not intended for long-term management of chronic conditions, which is where higher prescription doses come in.
How Much You Can Take
The standard OTC dose for adults is one tablet (220 mg) every 8 to 12 hours. Some people start with two tablets (440 mg) for the first dose, then drop to one tablet for subsequent doses. The maximum in a 24-hour period is three tablets, or 660 mg. This is significantly less than what a doctor might prescribe for conditions like rheumatoid arthritis, where daily doses can reach 1,000 mg or more.
The OTC label sets clear time limits: stop taking it and talk to a doctor if pain lasts more than 10 days or fever lasts more than 3 days. These cutoffs exist because persistent symptoms may signal something that needs proper diagnosis rather than ongoing self-treatment.
Age Restrictions
OTC naproxen sodium is approved for adults and children 12 years and older. Children under 12 should not take it unless directed by a doctor. On the other end of the spectrum, adults over 60 are more sensitive to naproxen’s effects and face higher risks of stomach and kidney problems. If you’re in that age group, or if you take other medications regularly, it’s worth checking with a pharmacist before picking up a bottle.
Side Effects to Watch For
The most common side effects are digestive: stomach pain, indigestion, and belching. These are usually mild and resolve once you stop taking the medication. Taking naproxen with food or a glass of milk can help reduce stomach irritation.
Less common but more serious is gastrointestinal bleeding. Warning signs include black or tarry stools, vomiting that looks like coffee grounds, or severe burning stomach pain. Your risk goes up if you’ve had stomach ulcers before, if you smoke, drink alcohol regularly, are over 60, or take steroids or blood thinners at the same time.
Naproxen can also affect your kidneys. Signs of a kidney problem include a noticeable drop in how much you urinate, swelling in your face, fingers, or lower legs, unusual weight gain, or lower back pain. These symptoms are uncommon at OTC doses taken for short periods, but they become more likely with prolonged use or in people who already have reduced kidney function.
Heart Risk Warning
All NSAIDs (the drug class naproxen belongs to, along with ibuprofen) carry an FDA-strengthened warning that they can increase the risk of heart attack and stroke. This risk applies even to people without prior heart disease, though it’s higher in those who already have cardiovascular problems. The risk also increases with longer use and higher doses, which is one reason the OTC label keeps both the dose and duration low.
Medications That Don’t Mix Well
One of the most important things to know about OTC naproxen is what not to combine it with. Do not take it alongside ibuprofen or any other NSAID, as doubling up increases the risk of stomach bleeding and kidney damage without providing better pain relief.
Several other drug categories interact with naproxen:
- Blood thinners like warfarin or rivaroxaban: increased bleeding risk
- Blood pressure medications and diuretics (water pills): naproxen can reduce their effectiveness and strain the kidneys
- Steroids like prednisolone: higher risk of stomach bleeding when combined
- Certain antidepressants like citalopram (SSRIs): also raise bleeding risk
- Methotrexate, used for rheumatoid arthritis: naproxen can increase its toxicity
OTC vs. Prescription: The Key Difference
The active ingredient is the same. What changes is the dose, the duration, and the level of medical oversight. OTC naproxen at 220 mg is designed for short-term, self-managed pain relief. Prescription naproxen at 500 mg or higher is used for chronic inflammatory conditions like arthritis, where a doctor monitors for side effects over months or years. If you find yourself reaching for OTC naproxen frequently or it isn’t controlling your pain, that’s a good signal to talk with a healthcare provider about whether a prescription-strength option with proper monitoring makes more sense.