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Does Etanercept Interact with Anakinra?

Etanercept and Anakinra have a major drug interaction according to U.S. FDA drug labeling data. Concurrent use resulted in 7% rate of serious infections (vs 0% with Enbrel alone), including bacterial pneumonia and cellulitis, without additional clinical benefit. The mechanism involves additive immunosuppression from dual tnf-alpha and il-1 inhibition. 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
Major
Etanercept Class
Tumor Necrosis Factor Blocker
Anakinra Class
Interleukin-1 Receptor Antagonist
Management
Close medical supervision required
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Etanercept and Anakinra occurs because additive immunosuppression from dual tnf-alpha and il-1 inhibition. Clinically, this means concurrent use resulted in 7% rate of serious infections (vs 0% with enbrel alone), including bacterial pneumonia and cellulitis, without additional clinical benefit. This is classified as a major interaction, meaning it could cause serious harm if not properly managed. Your healthcare provider may need to adjust dosages, substitute one medication, or increase monitoring frequency.

What To Tell Your Doctor or Pharmacist

If you are taking Etanercept and your doctor is considering prescribing Anakinra (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 how frequently you should be monitored while these are co-prescribed
  • Ask whether any dosage adjustments are needed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Etanercept(Enbrel)+💊 Anakinra(Kineret)

Severity & Interaction Details

⚠️
major
Use with caution — major interaction
Serious risk of clinically significant harm. Generally avoid; if used, monitor closely.
Severity scale
MinorContra
On record
Yes
Drug A class
Tumor Necrosis Factor Blocker
Drug B class
Interleukin-1 Receptor Antagonist
Source
NLP:etanercept

What this means in plain English

Concurrent use resulted in 7% rate of serious infections (vs 0% with Enbrel alone), including bacterial pneumonia and cellulitis, without additional clinical benefit.

What the FDA label says

"Additive immunosuppression from dual TNF-alpha and IL-1 inhibition"

📖 Source: NLP:etanercept

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Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.