Does Digoxin Interact With Sulfasalazine?

John's Wort, sucralfate, sulfasalazine Measure serum digoxin concentrations before initiating concomitant drugs.

Severity: Minor

Severity basis: drug interactions section. Combining Digoxin (Cardiac glycoside) and Sulfasalazine (Aminosalicylate DMARD) is classified as a minor interaction.

What to Do

This is generally a minor interaction, but review it with your pharmacist to be sure it is safe for you.

From the FDA Label

John's Wort, sucralfate, sulfasalazine Measure serum digoxin concentrations before initiating concomitant drugs.

Source: FDA structured product labeling (set_id 03612934-62f4-4002-85af-6c66cd172acb).

Digoxin

Cardiac glycoside

Brands: Lanoxin

View Digoxin safety profile

Sulfasalazine

Aminosalicylate DMARD

Brands: Azulfidine

View Sulfasalazine safety profile

Check these against your full medication list in our free Interaction Checker

This information is educational — not medical advice.

This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.

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