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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. Jwarrior77

    Is This Considered Pressure Urticaria? Or Dermatographia?

    I've been wondering if anyone else experiences this. If I press my hand let's say on my face too long the area where the pressure was will turn very red. Not itchy or raised but a little hot. This can occur basically anywhere you apply pressure to not only my hands. Also if I scratch my skin the...
  2. Galixie

    Just Dermatographism or MCAS?

    A couple of weeks ago, the back of my shoulders started feeling itchy and tight. The itchiness progressed to my neck, chest, face, arms, and legs over the next couple of days. The worst day also included a bad sinus headache and probably the worst heartburn I've ever had. (It was so painful I...