Abatacept and Etanercept Interaction
Drug interaction information between Abatacept and Etanercept.
Abatacept and Etanercept have a documented moderate interaction in FDA labeling.
FDA drug labeling documents a moderate-severity interaction between Abatacept and Etanercept. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.
How They Interact
Both drugs lower your body's ability to fight off germs. Using them together makes your immune system too weak and greatly increases your risk of getting a serious infection.
FDA Label Information
Live vaccines – Avoid concurrent administration with Enbrel ( 5.8 , 7.1 ) Anakinra – Increased risk of serious infection ( 5.12 , 7.2 ) Abatacept – Increased risk of serious adverse events, including infections ( 5.12 , 7.2 ) Cyclophosphamide – Not recommended for use with Enbrel. In clinical studies, concurrent administration of abatacept and Enbrel resulted in increased incidences of serious adverse events, including infections, and did not demonstrate increased clinical benefit [see Warnings and Precautions (5.12) ] .
Abatacept Also Interacts With
- Adalimumab moderate
- Certolizumab moderate
- Golimumab moderate
- Infliximab moderate
Frequently Asked Questions
What SPL severity band is on file for Abatacept + Etanercept?
Compiled FDA labeling labels this pair moderate. That is a source-record field, not an individual medication-combination decision.
Which drug in this pair has the larger labeled-interaction portfolio?
Abatacept has 5 labeled pairs on file vs Etanercept's 2. In the moderate band specifically: Abatacept has 5 (also Adalimumab, Certolizumab, Golimumab, Infliximab); Etanercept has 1.
What mechanism field is on file for Abatacept and Etanercept?
Both drugs lower your body's ability to fight off germs. Using them together makes your immune system too weak and greatly increases your risk of getting a serious infection.
Abatacept's labeled portfolio outnumbers Etanercept
SPL source-record counts only. This page's band is moderate · classes on file: Abatacept (T-Cell Co-Stimulation Modulator); Etanercept (TNF-Alpha Inhibitor (Biologic)).
0 major · 5 moderate · 0 minor · 5 total
- Other moderate peers for Abatacept
- Adalimumab
- Certolizumab
- Golimumab
- Infliximab
0 major · 1 moderate · 1 minor · 2 total
Etanercept has no other moderate-band peer in this dataset besides Abatacept.
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.
Read our methodology - how this data is sourced, computed, and verified.