You are now leaving GSK’s website

This link will take you to a non-GSK website. GSK does not recommend, endorse or accept liability for sites controlled by third-parties.


Go back

Your Nucala treatment

This page is specifically for patients who have been prescribed Nucala. If you are not a patient who has already been prescribed Nucala, please return to the public website.

Why have I been prescribed this medication?

NUCALA is a treatment option for people who have severe refractory eosinophilic asthma. The decision to prescribe you this medication was based on an assessment of:


You current asthma symptoms, including the number of asthma attacks.


The types of medications you take.

test tube

Routine blood tests.

Should I continue my existing medication?

  • Yes. Nucala is an add-on treatment, which means you should continue to take your other medications as prescribed by your doctor. 
  • It is recommended that all patients with asthma have an asthma action plan. 
  • If you have any questions, please ask your doctor or nurse at your next appointment.

How will I know if Nucala is working for me?

  • All asthma patients should have an asthma action plan. Download your asthma action plan here and fill it in with your doctor or nurse:
  • Keep a written record of your progress to share with your doctor.

How do I use my Nucala pre-filled pen?

Video player requires JavaScript enabled. You can download this video here:

How do I use my Nucala pre-filled syringe?

Video player requires JavaScript enabled. You can download this video here:

▼ This medicine is subject to additional monitoring. This will allow quick identification of new safety information. You can help by reporting any side effects you may get. See the Yellow Card Scheme at for how to report side effects.

If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in the package leaflet. You can also report side effects directly via the Yellow Card Scheme at By reporting side effects you can help provide more information on the safety of this medicine. Side effects should also be reported to GlaxoSmithKline on 0800 221 441.

Nucala is a registered trademark of the GlaxoSmithKline group of companies