Cognitive changes (chemo brain)

Cognitive changes include problems with memory, concentration and how a person can think. Your doctor might call this cancer related cognitive impairment.

These changes are also sometimes called chemo brain or chemo fog because they were originally thought to be due to chemotherapy. But they could be due to a variety of reasons, including cancer treatments and the cancer itself.

What are cognitive changes (chemo brain)?

Cognitive changes include problems with memory, concentration and how a person can think. It is also known as chemo brain or chemo fog.

Coping with cognitive changes (chemo brain)

Cognitive changes can affect your quality of life, but there are things you can do to try to improve your symptoms and help you cope.

Research looking at cognitive changes (chemo brain)

Research into diagnosing and treating cognitive changes caused by cancer or its treatment is ongoing.

Last reviewed: 
02 Jun 2023
Next review due: 
02 Jun 2026