• Welcome to Phoenix Rising!

    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

    To become a member, simply click the Register button at the top right.

Autoimmunity and Autoimmune Diseases

A sub-forum for discussions about autoimmunity (including symptoms, testing and treatment), whether those autoimmune issues are comorbid to your ME/CFS, or whether you are exploring the possibility that your ME/CFS symptoms may themselves be due to autoimmunity.