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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. P

    Holy crap -- IgM deficiency

    P.S. My IGM level was at 8
  2. P

    Holy crap -- IgM deficiency

    I am afraid that I am coming to this forum a bit late, but I just stumbled across it. I have Selective IGM Deficiency and have been living with it for about 10 years. As you have all noticed, there is not much research done because it is so rare. I have gone through a few different treatment...