• 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.

Poll voters: Do you have crimson crescents? Know Your Coxsackievirus B Titers? ME/CFS Onset After Mono?

Members who voted for 'I DO NOT HAVE CRIMSON CRESCENTS but had a mononucleosis onset to my ME/CFS'