• 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. MartinK

    Why does even a hard lying mat tend to trigger PEM?

    Hey guys, I've been noticing a strange symptom for a while now - I'd like to know if anyone else has the same thing. And can anyone help me to think about how it might have to do with the muscles when I have not yet been diagnosed with any muscle disorder. The thing is that my muscles get tired...
  2. MartinK

    Extreme heat intolerance - I crashed hard - can pregabalin be responsible for this?

    Hi all, from the beginning of mine ME/CFS I have heat intolerance. At first it was mild, but the last year it has gotten much worse (, as has my whole condition - Im severe, bedbound. But last "experience" shocked me - I was transported by ambulance to doctor visit and the air conditioning...