PubMed
Hives in autonomic disorders: a cutaneous marker of a distinct symptom phenotype.
potsdysautonomiamast cellmcas
Postural Orthostatic Tachycardia Syndrome causes an abnormal heart rate increase upon standing, leading to dizziness and fainting.
✦ AI summary
Research and patient-reported sources describe POTS as a chronic condition affecting mostly women, involving a range of symptoms beyond just heart rate changes on standing [4][12]. In a long-term study following patients for over 20 years, almost half reported their symptoms had improved since diagnosis, but most continued to have some symptoms for years, and those with additional problems like nerve damage, gut motility issues, or bladder symptoms tended to fare worse [4]. Skin hives are reported fairly often in POTS patients and are linked to higher overall symptom burden, including gut, bladder, pain, and tingling symptoms, suggesting a possible role for mast cell activity, though more research is needed [1]. POTS also overlaps with other conditions, including joint hypermobility disorders (where many patients report symptoms are poorly managed and face financial barriers to care) [3], pelvic venous disorders (where some studies found procedures targeting vein compression improved orthostatic symptoms in select patients) [7], and dermatomyositis, where POTS prevalence has been specifically studied [12]. In young people, autonomic dysfunction like POTS frequently co-occurs with mental health conditions such as anxiety, though the timing and connection between
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