For most adults using over‑the‑counter Aleve (naproxen sodium 220 mg), the usual limits are:

  • Typical dose: 220 mg (1 pill) every 8–12 hours as needed for pain.
  • First dose only: you may take up to 440 mg (2 pills) within the first hour if needed.
  • Absolute daily max (OTC): do not take more than 660 mg (3 pills of 220 mg) in 24 hours unless a doctor specifically tells you otherwise.

Key safety points:

  • Use the lowest effective dose for the shortest possible time (no more than 10 days for pain or 3 days for fever without talking to a doctor).
  • Adults over 65, people with kidney disease, heart disease, stomach ulcers/bleeding history, or those on blood thinners need extra caution and should confirm dosing with a clinician.
  • Always take it with food or milk to reduce stomach irritation.

If you have already taken more than 660 mg in 24 hours, feel very unwell (severe stomach pain, vomiting blood, black stools, trouble breathing, confusion), or took a large amount on purpose, contact emergency services or poison control immediately.