Chronic Fatigue Immune Dysfunction Syndrome

Chronic Fatigue and Immune Dysfunction Syndrome (CFIDS) is another name for Chronic Fatigue Syndrome (CFS) that became popular during the 1990s.

Some CFS organizations still using CFIDS in their name

 * California Capital CFIDS Association (CCCA)


 * CFIDS & Fibromyalgia Self-Help


 * Massachusetts CFIDS/ME & FM Association (Changed to Massachusetts ME/CFS & FM Association in 2018.)


 * The National CFIDS Foundation's Home Page


 * Vermont CFIDS Association

Learn more

 * 2013, Who Took the “ID” Out of CFIDS? by Erica Verrillo