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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. N

    What causes the muscular pain

    Hi I usually have 3 different sorts of pain. The most common one is an annoying itching and aching feeling in the knees. It doesnt take much for the that to happen and it usually last a long time. The rarest is some sort of "heavy aching" behind the Eyes. Then I get a lot of aching (sometimes...