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Immunotherapy is a treatment that may be used for a cancer diagnosis.

Find out what it is, what side effects to expect and how 91ÖÆƬ³§ can help.

What is immunotherapy?

Immunotherapy triggers your immune system to recognise and attack cancer cells.

Immunotherapies can work in several different ways, and there are different types. 

Some immunotherapy treatments are also types of targeted therapy.

Side effects

Side effects for immunotherapy vary. Your doctor or specialist nurse will talk through which ones you are likely to get depending on what drug you're taking.

The most common side effects are fatigue, flu-like symptoms and skin changes.

It's important to let your healthcare team know about any side effects you experience so they can be treated quickly.

91ÖÆƬ³§ is here with you

You might have questions about immunotherapy, side effects and how you'll manage.

Our Cancer Support Specialists are here listen to your concerns and help you find the information and help that's right for you:

• Find your nearest 91ÖÆƬ³§ centre â€“ you don't need an appointment, just come in

Last review: Apr 2026 | Next review: Apr 2029