Memory or Concentration Problems and Cancer Treatment

Person with cancer writing down important information in a notebook.

If treatment makes it hard to concentrate, talk with your nurse to get tips on how to keep track of important information.

Credit: iStock

Whether you have memory or concentration problems (sometimes described as a mental fog or chemo brain) depends on the type of treatment you receive, your age, and other health-related factors. Cancer treatments such as chemotherapy may cause difficulty with thinking, concentrating, or remembering things. So can some types of radiation therapy to the brain and immunotherapy.

These cognitive problems may start during or after cancer treatment. Some people notice very small changes, such as a bit more difficulty remembering things, whereas others have much greater memory or concentration problems.

Your doctor will assess your symptoms and advise you about ways to manage or treat these problems. Treating conditions such as poor nutrition, anxiety, depression, fatigue, and insomnia may also help.

Ways to manage memory or concentration problems

It’s important for you or a family member to tell your health care team if you have difficulty remembering things, thinking, or concentrating. Here are some steps you can take to manage minor memory or concentration problems:

Talking with your health care team about memory or concentration problems

It’s important for you or a family member to talk with your doctor or nurse about any memory or cognitive changes you may have. Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list: