Skip to content

Drug interactions

Etanercept + Haemophilus influenzae type b vaccine

Severity: Minor

Etanercept and Haemophilus influenzae type b vaccine: minor 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

Etanercept can reduce antibody response to inactivated vaccines, though the effect with TNF inhibitors is usually modest. The vaccine is not harmful, but protection may be incomplete.

What this interaction means in plain words

Etanercept and Haemophilus influenzae type b vaccine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

TNF inhibition modestly attenuates humoral immune responses to vaccine antigens.

What to do

Give the vaccine ideally before starting etanercept. If given during therapy, consider checking response where relevant.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Etanercept and Haemophilus influenzae type b vaccine, 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 7 days on the web. No card needed.

Frequently asked questions

Can I take Etanercept with Haemophilus influenzae type b vaccine?

MediHelp rates the interaction as minor. Etanercept and Haemophilus influenzae type b vaccine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Etanercept can reduce antibody response to inactivated vaccines, though the effect with TNF inhibitors is usually modest. The vaccine is not harmful, but protection may be incomplete.

How serious is the interaction between Etanercept and Haemophilus influenzae type b vaccine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give the vaccine ideally before starting etanercept. If given during therapy, consider checking response where relevant.

What other medicines interact with Etanercept?

MediHelp also lists interactions of Etanercept with, for example, Bcg vaccine live, Golimumab, Measles mumps and rubella vaccine. The full list is on the Etanercept 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