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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 (FM), long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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  1. S

    low level fever and chills

    Chills I have the same problem: When a CFS episode starts it always begins with very uncomfortable shivering and chills; then I get flu-like pain mainly in the head and temperature up to 37.3. I was examined a few times - nothing was found - and even got antibiotics (which never helped). For 3...