How long should you wait between naproxen (Aleve) and aspirin?
With the information provided here, there isn’t a safe, single wait-time that fits everyone. The timing depends on which medicine you’re using and why (pain relief vs heart protection), because naproxen and aspirin can interfere with each other’s effects when taken close together.
If you’re using aspirin for a heart- or clot-prevention purpose (sometimes called “low-dose aspirin”), do not rely on a specific interval without confirming it with a pharmacist or clinician.
Why timing matters: drug interaction risk
Naproxen and aspirin are both NSAIDs. When they overlap, they can change how well aspirin works for platelet protection (the effect low-dose aspirin is meant to provide). That matters most if you’re taking aspirin specifically for cardiovascular prevention rather than for general pain.
What’s the safest next step?
Check the directions on your specific products and ask a pharmacist:
- Are you taking aspirin low-dose (for heart protection) or regular-dose (for pain/inflammation)?
- What naproxen dose are you taking, and how often?
- What conditions do you have (ulcer history, kidney disease, blood thinners use, etc.)?
A pharmacist can give a wait-time tailored to your doses and goals.
If you tell me your doses, I can help narrow it down
Reply with:
1) your naproxen strength (e.g., 220 mg/250 mg/500 mg) and how many hours ago you took it,
2) whether your aspirin is low-dose (commonly 81 mg) or regular strength, and
3) whether you take aspirin daily for heart protection or only as needed for pain.