Naproxen
OTCLong-acting pain and inflammation medicine.
NSAID with longer half-life.
Generic name
Naproxen
Drug class
NSAIDs
ATC code
—
Pregnancy
Ask your doctor
Prescription
Not required
Last updated
2026-01-15
Available forms
TabletCapsuleSuspension
Uses
- Arthritis
- Period pain
- Muscle pain
- Migraine
How it works
Blocks pain and swelling chemicals for longer than ibuprofen.
Medical: Inhibits COX-1 and COX-2; longer half-life allows twice-daily dosing.
Common brand names
US
Aleve, Naprosyn
UK
Naprosyn
Typical dosage
adults250–500 mg twice a day.
childrenUnder medical advice only.
Educational only. Never adjust dosage without medical guidance.
Side effects
Very common
—
Common
- · Stomach upset
- · Heartburn
- · Dizziness
Rare
—
Serious
- · Stomach bleeding
- · Kidney issues
Warnings
- Take with food
- Caution in heart disease
- Caution in kidney disease
Interactions
Medicine
Warfarin, ACE inhibitors, Aspirin
Where you usually see it
PharmaciesSports clinicsRheumatology clinics
Timeline
1976
First approved in the US.
1994
Available OTC in the US.
Fun facts
- · Longer-acting than ibuprofen — fewer doses per day.
Conditions it treats
Related medicines
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Frequently asked
How often do I take it?
Typically twice a day, with food.
Educational use only.This information is for educational purposes only and should not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.