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    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. sveinnb

    Immune complex meditated pathology in ME/CFS - low grade complement activation symptoms

    Dear all I would like to share some thoughts of mine and get your opinion. In my five year personal research I have come to suspect that myself and probably a subset of ME/CFS patients can trace their symptoms to constant low grade complement activation induced by immune complex creation...
  2. M

    Declining neutrophils

    Hi everyone, I've been monitoring my labs since the start of my illness, and found something curious. Look at my neutrophil counts versus time: My illness started about February 2017. From the figure above, it's clear that there is a downward trend since the start of infection (both in...