• 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.

    To become a member, simply click the Register button at the top right.

Dysautonomia: Cardiovascular, Respiratory, etc.

This is the place to discuss autonomic symptoms such as irregular heart beats, poor blood flow, air hunger, difficulty breathing, and difficulty regulating body temperature. You can also discuss any other type of dysautonomia not addressed elsewhere. (Symptoms while standing up are discussed in the "Dysautonomia: Problems Standing, OI, POTS" forum.)