Can I get a hepatitis vaccine if I’m taking Cosentyx?
Cosentyx (secukinumab) suppresses parts of the immune system. Whether you can get a hepatitis vaccine depends on which hepatitis vaccine it is (and whether it is live).
- In general, inactivated (non-live) vaccines are usually considered safe for people taking biologics like Cosentyx, and are commonly recommended to reduce infection risk.
- Live vaccines are usually avoided while you’re on immune-suppressing medicines unless your specialist specifically says otherwise.
To advise correctly, you need to know which hepatitis vaccine you mean (typically Hepatitis B or Hepatitis A).
Which hepatitis vaccines are relevant to Cosentyx users?
Most people asking about hepatitis vaccination with Cosentyx are usually referring to:
- Hepatitis B vaccine: This is not a live vaccine. It’s generally the one most clinicians support for vaccination before or during biologic therapy when needed.
- Hepatitis A vaccine: Often inactivated (not live), depending on the brand/formulation. Some hepatitis products can differ by country, so checking the exact vaccine matters.
- If someone mentions a “combination” vaccine, the same rule applies: confirm whether the formulation is live or inactivated.
Should I get vaccinated before starting Cosentyx?
Many clinicians prefer to complete needed vaccines before starting biologic treatment when possible, because immune responses can be stronger when the immune system is fully intact. If you’re already on Cosentyx, vaccination may still be recommended, but the timing and vaccine type should be confirmed with your prescriber.
Does Cosentyx change how well the hepatitis vaccine works?
Because Cosentyx affects immune signaling (it blocks IL-17A), vaccine responses can be somewhat weaker than in people not taking immunosuppressants. Clinicians may still vaccinate because protection is still possible, especially for Hepatitis B, and they may consider follow-up testing in some cases.
Who should check whether you need hepatitis screening or vaccination?
You should discuss vaccination and testing with your clinician if you:
- have risk factors for hepatitis exposure,
- had abnormal liver tests in the past,
- were not previously vaccinated,
- are planning to start or are already on Cosentyx.
Your healthcare team can also determine whether hepatitis screening (like hepatitis B blood tests) is needed, since treatment decisions may depend on infection status.
What side effects should you watch for after a hepatitis vaccine on Cosentyx?
Common vaccine effects include soreness at the injection site, fatigue, mild fever, or headache. Seek medical advice promptly if you develop signs of a severe allergic reaction or unusual symptoms. If you have liver disease or past hepatitis, tell your clinician because your monitoring may differ.
What I need from you to give a precise answer
Which exact vaccine are you asking about?
1) Hepatitis A or Hepatitis B (or both)?
2) Is the vaccine name/brand available (or can you tell me the country)?
3) Are you already taking Cosentyx, and if so, what dose and how long?
Sources
1. https://www.cosentyx.com/patient-support/safety-information
2. https://www.ema.europa.eu/en/medicines/human/EPAR/cosentyx