Skip to content

Drug interactions

Naproxen + Salsalate

Severity: Moderate

Naproxen and Salsalate: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Taking naproxen with salsalate duplicates NSAID therapy and increases the risk of gastrointestinal ulceration, bleeding and renal impairment without clear added benefit.

What this interaction means in plain words

Naproxen and Salsalate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Moderate

Why it happens

Additive inhibition of prostaglandin synthesis affecting gastric mucosa, renal perfusion and platelet function.

What to do

Avoid using both together and choose a single agent at the lowest effective dose. If overlap is unavoidable, monitor for GI bleeding and renal function.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Naproxen and Salsalate, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Naproxen with Salsalate?

MediHelp rates the interaction as moderate. Naproxen and Salsalate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Taking naproxen with salsalate duplicates NSAID therapy and increases the risk of gastrointestinal ulceration, bleeding and renal impairment without clear added benefit.

How serious is the interaction between Naproxen and Salsalate?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid using both together and choose a single agent at the lowest effective dose. If overlap is unavoidable, monitor for GI bleeding and renal function.

What other medicines interact with Naproxen?

MediHelp also lists interactions of Naproxen with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Naproxen page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in