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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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beta blockers

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    beta blocker allergy

    I do not know what happened however after my decline in health started then I prodce allergies to different drugs , herbals, foods. beta blockers are one of them . I need to use them cuase I got arrythmias mostly tachcarydia however they give itching and red spots. Is it a sign of MCAS? I have...