POTS and Lyme Disease: Symptoms, Causes, and the Connection
POTS and Lyme disease may be linked through autonomic dysfunction. POTS (postural orthostatic tachycardia syndrome) is a form of autonomic dysfunction that may develop after infections, including Lyme disease.
This overlap can make diagnosis challenging, particularly when symptoms are attributed to anxiety or deconditioning rather than an underlying medical condition.
The cause of postural orthostatic tachycardia syndrome (POTS) is not fully understood, but it is likely multifactorial and may involve autonomic dysfunction, vascular changes, and immune factors. Evaluation often overlaps with Lyme disease testing and diagnosis when infection is suspected.
POTS is a form of autonomic dysfunction that may develop after infections, including Lyme disease.
According to Wells and colleagues, several mechanisms may contribute to POTS symptoms, including autonomic dysfunction, increased sympathetic tone, severe deconditioning, inadequate venous return, and excessive venous pooling.
Autoimmunity and mast cell activation syndromes have also been proposed in some patients. However, the clinical significance of these findings remains uncertain, and immunotherapy is rarely indicated, writes Wells.
Concurrent Medical Conditions in POTS
Patients with POTS frequently have coexisting medical conditions. Symptoms consistent with irritable bowel syndrome (IBS), food intolerance, and allergic sinusitis are commonly reported.
In some cases, treatment of POTS may improve IBS symptoms, as observed in children treated with fludrocortisone.
Hypermobility syndromes, often referred to as Ehlers-Danlos syndrome, are also overrepresented in patients with POTS.
Symptoms of POTS may overlap with chronic fatigue syndrome and fibromyalgia, further complicating diagnosis.
POTS and Lyme Disease
POTS has been described in patients following Lyme disease, suggesting a potential link between infection, immune response, and autonomic dysfunction.
Kanjwal and colleagues reported a series of patients with both Lyme disease and POTS who experienced fatigue, cognitive dysfunction, orthostatic palpitations, and episodes of near syncope or syncope.
Additional symptoms included migraines, anxiety, depression, and hypertension.
In many cases, these symptoms were severe enough to interfere with daily functioning, including work and school attendance.
Treatment Options for POTS
Treatment of POTS is primarily focused on symptom management. Strategies may include increasing intravascular volume, improving vascular tone, and controlling heart rate.
Fludrocortisone may be used to increase blood volume, while midodrine can help address peripheral venous pooling. Low-dose propranolol may be effective in reducing elevated heart rate.
Despite these options, treatment remains challenging, and many patients continue to experience persistent symptoms.
Clinical Takeaway
POTS is a complex condition with multiple contributing factors, including autonomic dysfunction and possible immune involvement.
In some patients, Lyme disease may be associated with the development of POTS, highlighting the importance of considering underlying triggers when evaluating symptoms such as fatigue, dizziness, and cognitive dysfunction.
Frequently Asked Questions
What causes POTS?
POTS may be caused by autonomic dysfunction, increased sympathetic activity, deconditioning, and possibly immune-related factors such as autoimmunity or mast cell activation.
Can Lyme disease trigger POTS?
Yes. POTS has been reported in patients following Lyme disease, often with symptoms such as fatigue, cognitive dysfunction, and orthostatic intolerance.
How is POTS treated?
Treatment focuses on symptom management, including increasing blood volume (fludrocortisone), improving vascular tone (midodrine), and controlling heart rate (propranolol).
References
- Wells R, et al. Postural tachycardia syndrome: current perspectives. Vascular Health and Risk Management. 2018;14:1–11.
- Kanjwal K, et al. Postural orthostatic tachycardia syndrome following Lyme disease. Cardiology Journal. 2011;18(1):63–66.
Related Reading
- POTS in Lyme Disease: An Autonomic Disorder Explained
- Autonomic Dysfunction and Lyme Disease
- Lyme Disease Fatigue: Causes, Duration and Recovery
- Medical Dismissal and Lyme Disease
Dr. Daniel Cameron, MD, MPH
Lyme disease clinician with over 30 years of experience and past president of ILADS.
Symptoms • Testing • Coinfections • Recovery • Pediatric • Prevention
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