• 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.

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  1. SWAlexander

    MCAS activated by Long COVID or PACS or by MIS-C or PIMS and MCAS activated by Vaccines or by Post Vaccine Syndrome: CRITERIA FOR CLINICAL DIAGNOSIS

    Introduction: Also for patients diagnosed with ME/CFS, Fibromyalgia, Lyme, EBV, Morgellons diseases, Asthma, Allergies, MCS, Tinnitus, POTS, Dysautonomia, Ehlers-Danlos Syndrome (EDS), Small Fiber Neuropathy (SNF), Restless Legs Syndrome (RLS), Burning Mouth Syndrome, Panic Attacks, Anxiety...