Skip to main content
Contact Us 800.227.2345 Cancer Help Sign Up For Email
showDesktop,showTablet,showMobile
Drawer Image

Donate today to support our lifesaving efforts.

Your gift enables us to support people with cancer and fund research breakthroughs.

Your gift is 100% tax deductible

Cognitive Problems or Changes in Thinking

Some people with cancer notice changes in how they think before, during, or after cancer treatment. They may have trouble remembering, paying attention, or thinking clearly. It helps to know why these changes happen and when to find help and support.

Changes in Memory, Thinking, and Focus (Chemo Brain)

Cancer treatment can cause a mental cloudiness some people notice before, during, and after cancer treatment. Learn more about changes in memory, thinking, and focus (sometimes called "chemo brain") here.

Confusion and Delirium

Many things can cause confusion and delirium in cancer patients. Learn what patients and caregivers can do to help manage these side effects.

Related Resources

Flyer: What to Do for Memory, Thinking, and Focus Changes

More Resources

Worksheet: Track Your Chemotherapy Side Effects

Worksheet: Track Your Radiation Therapy Side Effects

Personal Health Manager

Organize your cancer journey with the American Cancer Society Personal Health Manager.

Caregiver Resource Guide

A helpful tool for people who are caring for someone with cancer. View the complete guide here.

Help us end cancer as we know it, for everyone.

 
Charity Navigator 4-star rating button     BBB rating button    Candid rating button

We fund research breakthroughs that save lives. Your year-end gift helps find new treatments for cancer.

Close