Thursday 12 March 2026
Maggie's Blog Writer
Targeted therapy is a type of treatment that may be used for cancer.
51ɫAPP out what it is, what side effects to expect and how Maggie's can help.
The aim of targeted therapy is to kill or disrupt cancer cells, but leave normal cells unaffected.
This is different from chemotherapy, which is a type of systemic anti-cancer therapy (SACT) that affects all cells.
Targeted therapies work in different ways, including:
Some targeted therapies are sometimes known as biological therapies.
Side effects for targeted therapy can vary. Your doctor or specialist nurse will talk through which ones you are likely to get depending on what therapy you're having.
It's important to let your healthcare team know about any side effects you experience so they can be treated quickly.
The most common is skin changes, including:
Your healthcare team should give you a leaflet about the specific type of targeted therapy you're having.
You can bring your leaflet to your nearest Maggie's centre at any time, and our team will talk you through what side effects you might experience. They can also support you with ways to manage these side effects.
You might have questions about targeted therapy for cancer, 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:
Last review: Apr 2026 | Next review: Apr 2029
51ɫAPP out more about how targeted therapies are used to treat cancer and possible side effects.
From American Cancer Society
Last reviewed: 08 May 2026
51ɫAPP out more about the different types of targeted therapies and how they work.
From Cancer Research UK (CRUK)
Last reviewed: 08 May 2026
Overview of targeted therapies including a video on how they work.
From Macmillan Cancer Support
Last reviewed: 08 May 2026
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