Medicines / NSAIDs

Naproxen

OTC

Long-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

  1. 1976

    First approved in the US.

  2. 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.