HomeEtanerceptEtanercept + Sulfasalazine

Does Etanercept Interact with Sulfasalazine?

Etanercept and Sulfasalazine have a moderate drug interaction according to U.S. FDA drug labeling data. Concurrent use may result in mild decrease in mean neutrophil counts compared to monotherapy; clinical significance unknown. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Moderate
Etanercept Class
Tumor Necrosis Factor Blocker
Sulfasalazine Class
Aminosalicylate
Management
Monitor for effects
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Etanercept and your doctor is considering prescribing Sulfasalazine (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Ask whether any dosage adjustments are needed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Etanercept(Enbrel)+💊 Sulfasalazine(Azulfidine)

Severity & Interaction Details

🟡
moderate
Be aware — moderate interaction
Documented interaction with manageable risk. May require dose adjustment or monitoring.
Severity scale
MinorContra
On record
Yes
Drug A class
Tumor Necrosis Factor Blocker
Drug B class
Aminosalicylate
Source
NLP:etanercept

What this means in plain English

Concurrent use may result in mild decrease in mean neutrophil counts compared to monotherapy; clinical significance unknown.

About Etanercept and Sulfasalazine

Etanercept is a Tumor Necrosis Factor Blocker, while Sulfasalazine is an Aminosalicylate. You may recognize them by the brand names Enbrel and Azulfidine. Etanercept is given by injection under the skin, whereas Sulfasalazine is taken by mouth. Etanercept additionally carries an FDA boxed warning, the FDA's strongest safety alert.

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Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.