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The 'Chemobrain' Phenomenon in People with Cancer


 Middle-aged woman

Learning more about chemobrain

Many of the side effects from chemotherapy are well-known. They include fatigue, nausea and vomiting, and hair loss. One common side effect that may be less well known is a decline in mental function, which includes thinking, attention memory, language skills, and concentration. It is not clear how or why chemotherapy may affect these skills. Some researchers believe that the drugs may directly enter the brain areas that control these functions.

A lot of research is being done on chemobrain. Doctors are trying to figure out exactly what causes it and what may be done to prevent or treat it. Some studies have shown that people have reported symptoms of chemobrain before even starting treatment. Still others report it even though they have never had chemotherapy; or they notice the problems when they are getting radiation or hormonal treatments for cancer. And, in some cases the symptoms continue for a long time after treatment ends. This information is useful to learn more about this problem and any potential treatments.

How to cope

The impact of chemobrain varies for each person. A loss of memory or concentration can be more disabling for some people than others, depending on their lifestyle and daily use of these functions. For example, if a busy woman has a million things to do every day and has these subtle changes, it could cause more problems. Many times, others don't even notice the changes, but they can be very upsetting to the person having them.










Most important, ask for help. Look to your family and friends, or a professional. Let your family know that you are having a hard time focusing and may need help or reminders with certain tasks. If you have serious concerns about your memory or focus, talk to your cancer doctor. It may be recommended that you see a neuropsychologist. This is a psychologist who specializes in studying the relationship between the brain and behavior. He or she may be able to give you more personalized advice. Ask your doctor for a referral.

Online Medical Reviewer: Gersten, Todd, MD
Online Medical Reviewer: Sather, Rita, RN
Date Last Reviewed: 5/1/2018