U.S. Department of Health and Human Services

Menu

Chronic Fatigue Syndrome

What Is Chronic Fatigue Syndrome?

Find answers and helpful suggestions about living with Chronic Fatigue Syndrome (CFS), also known as chronic fatigue and immune dysfunction syndrome (CFIDS), a debilitating chronic illness that affects the brain and multiple body systems.

Review Date: May 28, 2014

CFIDS Association of America

Chronic Fatigue Syndrome: Legal Issues

Individuals with chronic fatigue syndrome (CFS) are often faced with legal and financial challenges. Find helpful resources concerning health insurance, Social Security, long-term disability insurance, workplace issues, and more.

Review Date: May 28, 2014

CFIDS Association of America

Do I Have Chronic Fatigue Syndrome?

If you suffer from excessive fatigue, this questionnaire will familiarize you with the symptoms of chronic fatigue syndrome (CFS) that health care providers look for to make a CFS diagnosis.

Review Date: May 28, 2014

CFIDS Association of America

Fatigue

Fatigue can be traced to one or more of your habits or routines but in some cases, fatigue is a symptom of an underlying medical problem that requires medical treatment. Learn more about fatigue.

Review Date: December 01, 2014

Mayo Foundation for Medical Education and Research

Find a Rheumatologist

This page will help you find a rheumatology health professional in your geographic area.

Review Date: December 04, 2012

American College of Rheumatology

Note: Documents in PDF format require the Adobe Acrobat Reader®. If you experience problems with PDF documents, please download the latest version of the Reader®.