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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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muscle spasm

  1. belize44

    When It's Cold

    Lately, I have to avoid sudden exposures to frigid temps, such as in briefly opening a door or window and letting in a blast of arctic air. What happens is that I will start to shiver, then my entire body will go into a painful spasm. I first noticed this about five years ago, when we were...