Return to book readerThe Role of Stress, Inflammation, and Depression in Postural Orthostatic Tachycardia: A Psychoneuroimmunology Perspective
Plain-language meanings appear in parentheses the first time a medical term is used on each page.
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The Role of Stress, Inflammation (the body’s response to injury or illness, which can cause swelling), and
Depression (a health problem that can make you feel very sad or lose interest for a long time) in Postural Orthostatic
Tachycardia (a much faster heartbeat when upright): A Psychoneuroimmunology (the study of how your mind, nerves, and body’s germ-fighting system work together)
Perspective
Tawana McCou MS
Walden University
School of Health Sciences
May 2, 2025
Abstract
Postural Orthostatic Tachycardia Syndrome (a condition that can make your heart beat much faster when you stand) (POTS) is a chronic (long-lasting) autonomic nervous system (the nerves that run body jobs you do without thinking, like your heartbeat)
disorder characterized by tachycardia (a fast heartbeat), dizziness, fatigue (feeling very tired), cognitive impairment (trouble thinking clearly or paying attention), and orthostatic
intolerance (feeling sick when standing or sitting upright). Increasing evidence suggests that immune dysfunction (when the body’s germ-fighting system does not work as expected), chronic inflammation,
stress responses, and psychological factors contribute significantly to symptom severity and
disease progression. This manuscript examines the relationship between stress, inflammation,
depression, and autonomic dysfunction (when the nerves that run automatic body jobs do not work as expected) in individuals with POTS through the lens of
psychoneuroimmunology (PNI). Additionally, cognitive and behavioral interventions including
Cognitive Behavioral Therapy (talk therapy that helps you practice new ways to think and act) (CBT), Mindfulness-Based Stress Reduction (a program that uses quiet practice to pay attention and handle stress) (MBSR), and
biofeedback (practice using a device to see and learn about body signals like your heartbeat) training are explored as potential strategies for improving symptom management
and quality of life (how well you feel and manage daily life). The manuscript further emphasizes the importance of interdisciplinary (people from different areas of care working together) and
biopsychosocial approaches to chronic illness management. Findings suggest that
psychological stress and immune dysregulation (when the body’s germ-fighting system does not work as expected) may intensify autonomic symptoms (problems with body jobs that usually happen on their own) while
behavioral interventions may improve coping, emotional regulation, and patient outcomes.
Understanding the interaction between psychological and physiological (having to do with how the body works) processes within POTS
may contribute to more comprehensive treatment approaches and support positive social
change within chronic illness care.
Keywords: Psychoneuroimmunology, POTS, autonomic dysfunction, chronic illness,
inflammation, stress, depression, cognitive behavioral therapy
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Introduction
Postural Orthostatic Tachycardia Syndrome (a condition that can make your heart beat much faster when you stand) (POTS) is a chronic (long-lasting) autonomic nervous system (the nerves that run body jobs you do without thinking, like your heartbeat)
disorder characterized by an abnormal increase in heart rate when transitioning from a supine (lying on your back) to
upright position. Symptoms commonly include dizziness, fatigue (feeling very tired), tachycardia (a fast heartbeat), orthostatic
intolerance (feeling sick when standing or sitting upright), cognitive dysfunction (trouble thinking clearly or paying attention), and chronic pain. Although the exact etiology (cause) of POTS
remains unclear in many cases, growing evidence suggests that immune dysfunction (when the body’s germ-fighting system does not work as expected), chronic
inflammation (the body’s response to injury or illness, which can cause swelling), stress responses, and psychological factors contribute significantly to disease
severity and symptom progression.
The chronic and unpredictable nature of POTS often results in substantial physical limitations
and psychological distress. Many individuals experience difficulties maintaining daily activities,
employment, education, and social functioning due to persistent symptoms. As a result, the
condition frequently affects both physical and mental well-being, contributing to increased rates
of anxiety, depression (a health problem that can make you feel very sad or lose interest for a long time), and stress-related symptom exacerbation.
Psychoneuroimmunology (the study of how your mind, nerves, and body’s germ-fighting system work together) (PNI), which examines the interaction between psychological
processes, the nervous system, and immune function (how your body fights germs), provides a useful framework for
understanding the complex relationship between stress, inflammation, autonomic dysfunction (when the nerves that run automatic body jobs do not work as expected),
and mental health in POTS. Research increasingly demonstrates that chronic stress and
immune dysregulation (when the body’s germ-fighting system does not work as expected) may intensify autonomic symptoms (problems with body jobs that usually happen on their own) while simultaneously contributing to
emotional distress and reduced quality of life (how well you feel and manage daily life).
This manuscript examines the role of stress, inflammation, and depression in POTS while
exploring cognitive and behavioral interventions aimed at improving patient outcomes. Particular
attention is given to Cognitive Behavioral Therapy (talk therapy that helps you practice new ways to think and act) (CBT), Mindfulness-Based Stress Reduction (a program that uses quiet practice to pay attention and handle stress)
(MBSR), and biofeedback (practice using a device to see and learn about body signals like your heartbeat) training as non-pharmacological (without medicine) approaches to symptom
management and chronic illness support.
Methodology
This manuscript utilized a narrative literature review (a paper that brings together ideas and findings from other studies) methodology to examine current scholarly
research related to Postural Orthostatic Tachycardia Syndrome (POTS),
psychoneuroimmunology, stress, inflammation, depression, and behavioral interventions.
Literature searches were conducted using scholarly databases including PubMed, PsycINFO,
Google Scholar, and CINAHL.
Keywords included “Postural Orthostatic Tachycardia Syndrome,” “POTS,”
“psychoneuroimmunology,” “stress response,” “autonomic dysfunction,” “depression,”
“inflammation,” “biofeedback,” “mindfulness,” and “cognitive behavioral therapy.” Peer-reviewed
journal articles, literature reviews, and clinical studies published primarily between 2021 and
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2025 were prioritized to ensure the inclusion of current evidence and emerging perspectives
regarding POTS and chronic (long-lasting) illness management.
The literature was analyzed thematically, with key areas categorized into autonomic dysfunction (when the nerves that run automatic body jobs do not work as expected),
immune dysregulation (when the body’s germ-fighting system does not work as expected), stress responses, depression (a health problem that can make you feel very sad or lose interest for a long time), cognitive and behavioral interventions,
and interdisciplinary (people from different areas of care working together) chronic illness management.
Theoretical Framework
This manuscript is conceptually grounded in the biopsychosocial model (a way to look at how your body, feelings, and daily life affect health) and
psychoneuroimmunology (the study of how your mind, nerves, and body’s germ-fighting system work together) (PNI). The biopsychosocial model emphasizes the interaction
between biological, psychological, and social factors in influencing health outcomes, while PNI
examines the relationship between psychological processes, nervous system functioning, and
immune responses.
Within POTS, these frameworks are particularly relevant because physiological (having to do with how the body works) symptoms are
often influenced by psychological stress, inflammatory responses, and emotional regulation.
Chronic stress activates the hypothalamic-pituitary-adrenal (HPA) axis (parts of the brain and body that work together when you feel stress), resulting in increased
cortisol (a hormone your body makes when you are under stress) production and immune dysregulation. These physiological changes may exacerbate
autonomic dysfunction, increase inflammation (the body’s response to injury or illness, which can cause swelling), and intensify symptom severity among
individuals with POTS.
The integration of PNI into chronic illness management supports the development of
interdisciplinary treatment approaches that address both physiological and psychological
dimensions of care. Cognitive and behavioral interventions may improve patient outcomes by
reducing stress responses, strengthening coping mechanisms, and improving emotional
well-being.
Postural Orthostatic Tachycardia
Syndrome (a condition that can make your heart beat much faster when you stand) (POTS)
Postural Orthostatic Tachycardia Syndrome (POTS) is an autonomic condition characterized by
an excessive increase in heart rate when moving from a supine (lying on your back) to standing position without a
significant decrease in blood pressure. Symptoms commonly include dizziness, fainting, fatigue (feeling very tired),
orthostatic intolerance (feeling sick when standing or sitting upright), chronic pain, tachycardia (a fast heartbeat), and cognitive impairment (trouble thinking clearly or paying attention) commonly referred
to as “brain fog.”
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The autonomic nervous system (the nerves that run body jobs you do without thinking, like your heartbeat) regulates involuntary physiological (having to do with how the body works) functions including heart
rate, blood pressure, digestion, and respiration. Dysregulation of autonomic functioning
contributes significantly to symptom presentation among individuals with POTS (Stuart et al.,
2025). Although the underlying causes of POTS vary, the condition has been associated with
viral infections, autoimmune processes, chronic (long-lasting) fatigue (feeling very tired) syndrome, physical trauma, and
post-viral syndromes including post-acute COVID-19 conditions.
The complexity of POTS often makes diagnosis and treatment challenging. Many patients
experience delayed diagnosis due to symptom overlap with anxiety disorders, chronic fatigue
conditions, and other autonomic disorders. Consequently, comprehensive and interdisciplinary (people from different areas of care working together)
approaches to treatment are essential for effective symptom management.
Immune Dysfunction (when the body’s germ-fighting system does not work as expected) and Inflammation (the body’s response to injury or illness, which can cause swelling) in
POTS
Emerging evidence suggests that immune dysfunction and chronic inflammation play important
roles in the development and progression of POTS. One proposed mechanism involves the
production of autoantibodies targeting adrenergic receptors involved in blood pressure and
heart rate regulation. These autoantibodies may impair autonomic functioning and contribute to
symptoms such as tachycardia (a fast heartbeat) and orthostatic intolerance (feeling sick when standing or sitting upright) (Ghazal et al., 2025).
Chronic inflammation has also been observed among individuals with POTS. Elevated levels of
inflammatory cytokines including TNF-alpha and interleukin-6 (IL-6) may contribute to
endothelial dysfunction, cardiovascular instability, and symptom exacerbation (Mahdi et al.,
2023). These inflammatory responses may further complicate autonomic regulation (how your body controls jobs like your heartbeat on its own) and
intensify fatigue, dizziness, and cognitive dysfunction (trouble thinking clearly or paying attention).
The relationship between immune dysfunction and autonomic instability highlights the
importance of comprehensive treatment approaches addressing both physiological and
psychological factors associated with chronic illness management.
Stress Responses and Autonomic
Dysfunction (when the nerves that run automatic body jobs do not work as expected)
Psychological stress significantly influences autonomic functioning and may exacerbate
symptoms among individuals with POTS. Activation of the hypothalamic-pituitary-adrenal (HPA)
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axis during stress responses increases cortisol (a hormone your body makes when you are under stress) production and contributes to inflammatory
processes and immune dysregulation (when the body’s germ-fighting system does not work as expected) (Ishizaki et al., 2022).
Stress-related hormonal changes may intensify tachycardia (a fast heartbeat), dizziness, fatigue (feeling very tired), and orthostatic
intolerance (feeling sick when standing or sitting upright) among individuals with POTS. Furthermore, chronic (long-lasting) stress may contribute to a
bidirectional cycle in which symptom severity increases emotional distress while psychological
distress further exacerbates physiological (having to do with how the body works) symptoms.
Mahdi et al. (2023) reported that chronic stress may contribute to the production of
pro-inflammatory cytokines, further intensifying autonomic dysfunction (when the nerves that run automatic body jobs do not work as expected) and symptom severity.
These findings support the importance of stress management interventions within
comprehensive POTS treatment plans.
Behavioral interventions aimed at reducing stress responses may improve emotional regulation,
reduce inflammatory responses, and strengthen patient coping mechanisms. Cognitive
Behavioral Therapy (talk therapy that helps you practice new ways to think and act) (CBT), mindfulness practices, and biofeedback (practice using a device to see and learn about body signals like your heartbeat) interventions have
demonstrated potential benefits in reducing stress-related symptom exacerbation among
individuals with chronic illnesses.
Depression (a health problem that can make you feel very sad or lose interest for a long time) and Psychological Distress in
POTS
Depression represents one of the most common psychological comorbidities associated with
POTS. The chronic and debilitating nature of the condition frequently contributes to emotional
distress, reduced quality of life (how well you feel and manage daily life), social isolation, and impaired functioning.
Tsai Owens et al. (2024) found that individuals with POTS experience significantly higher rates
of depression and cognitive difficulties compared to the general population. Depression may
intensify autonomic symptoms (problems with body jobs that usually happen on their own) by increasing inflammation (the body’s response to injury or illness, which can cause swelling), disrupting emotional regulation, and
worsening physiological stress responses.
Additionally, cognitive dysfunction (trouble thinking clearly or paying attention) or “brain fog” commonly reported among individuals with
POTS may contribute to frustration, emotional exhaustion, and reduced psychological
resilience. The overlap between autonomic dysfunction, chronic stress, inflammation, and
depression suggests a shared pathophysiological relationship requiring interdisciplinary (people from different areas of care working together)
treatment approaches.
Recognizing and addressing mental health concerns among individuals with POTS is critical for
improving both psychological and physical health outcomes.
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Cognitive and Behavioral Interventions
Cognitive Behavioral Therapy (talk therapy that helps you practice new ways to think and act) (CBT)
Cognitive Behavioral Therapy (CBT) is a structured psychotherapeutic intervention designed to
address maladaptive thought patterns, emotional distress, and behavioral responses associated
with chronic (long-lasting) illness. CBT may improve coping skills, emotional regulation, symptom
management, and treatment adherence among individuals with POTS.
Research suggests that CBT may reduce depressive symptoms, anxiety, and stress-related
symptom exacerbation among individuals with chronic illnesses (Tsai Owens et al., 2024).
Group CBT interventions may also provide social support and reduce feelings of isolation
commonly experienced among individuals living with chronic conditions.
Mindfulness-Based Stress Reduction (a program that uses quiet practice to pay attention and handle stress) (MBSR)
Mindfulness-Based Stress Reduction (MBSR) combines mindfulness meditation, body
awareness, and stress reduction techniques aimed at improving emotional well-being and
reducing physiological (having to do with how the body works) stress responses. MBSR may help individuals with POTS manage
anxiety, emotional distress, and autonomic symptom exacerbation.
Group mindfulness programs may additionally provide social support and foster a sense of
community among individuals living with chronic illness. These interventions support the
integration of psychological and physiological symptom management strategies.
Biofeedback (practice using a device to see and learn about body signals like your heartbeat) Training
Biofeedback training teaches individuals to regulate physiological responses such as heart rate
variability, muscle tension, and blood pressure using real-time physiological feedback.
Biofeedback may improve autonomic regulation (how your body controls jobs like your heartbeat on its own) and reduce orthostatic intolerance (feeling sick when standing or sitting upright) symptoms
among individuals with POTS.
Heart rate variability (HRV) biofeedback has demonstrated potential benefits in improving
autonomic functioning and reducing symptom severity. Neurofeedback interventions may
additionally improve cognitive functioning and emotional regulation while reducing stress and
anxiety symptoms.
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Biofeedback (practice using a device to see and learn about body signals like your heartbeat) represents a promising non-pharmacological (without medicine) intervention supporting active patient
participation in chronic (long-lasting) illness management.
Positive Social Change
Understanding the relationship between stress, inflammation (the body’s response to injury or illness, which can cause swelling), immune dysfunction (when the body’s germ-fighting system does not work as expected), and
psychological distress within POTS may contribute to improved chronic illness management and
healthcare accessibility. Many individuals with POTS experience delayed diagnosis,
misunderstanding, and limited access to comprehensive interdisciplinary (people from different areas of care working together) care.
By promoting awareness of psychoneuroimmunology (the study of how your mind, nerves, and body’s germ-fighting system work together) and the interconnected nature of chronic
illness, healthcare systems may improve treatment approaches that address both physiological (having to do with how the body works)
and psychological dimensions of care. Integrating behavioral health interventions into chronic
illness management may strengthen patient outcomes, reduce stigma, and improve quality of
life (how well you feel and manage daily life).
This manuscript supports positive social change by emphasizing holistic and patient-centered
approaches to chronic illness management while advocating for increased awareness regarding
the psychological impact of autonomic disorders.
Limitations
Several limitations should be considered when interpreting the findings presented in this
manuscript. First, POTS remains a relatively under-researched condition, and evolving scientific
understanding may influence future interpretations regarding autonomic dysfunction (when the nerves that run automatic body jobs do not work as expected) and
immune involvement.
Second, variability in symptom presentation and treatment responses among individuals with
POTS may limit the generalizability of certain findings. Additionally, much of the current literature
regarding behavioral interventions within POTS management remains preliminary, highlighting
the need for additional longitudinal research.
Finally, this manuscript utilized a narrative review approach rather than a systematic review
methodology, which may introduce selection bias despite efforts to incorporate current and
diverse scholarly literature.
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Future Research Recommendations
Future research should further examine the relationship between autonomic dysfunction (when the nerves that run automatic body jobs do not work as expected),
chronic (long-lasting) inflammation (the body’s response to injury or illness, which can cause swelling), psychological stress, and immune dysregulation (when the body’s germ-fighting system does not work as expected) within POTS.
Longitudinal studies evaluating behavioral interventions such as CBT, MBSR, and biofeedback (practice using a device to see and learn about body signals like your heartbeat)
training may strengthen understanding regarding long-term treatment outcomes.
Additional research should also explore the effectiveness of interdisciplinary (people from different areas of care working together) and
accessibility-centered healthcare approaches addressing both physiological (having to do with how the body works) and psychological
dimensions of chronic illness management.
As understanding of psychoneuroimmunology (the study of how your mind, nerves, and body’s germ-fighting system work together) continues to expand, future investigations may
contribute to more comprehensive and patient-centered approaches for individuals living with
autonomic disorders.
Conclusion
Postural Orthostatic Tachycardia Syndrome (a condition that can make your heart beat much faster when you stand) (POTS) is a complex chronic illness influenced by
autonomic dysfunction, immune dysregulation, chronic inflammation, stress responses, and
psychological distress. The findings presented throughout this manuscript demonstrate the
importance of understanding the interconnected relationship between physiological and
psychological processes within chronic illness management.
Behavioral interventions including Cognitive Behavioral Therapy (talk therapy that helps you practice new ways to think and act), Mindfulness-Based Stress
Reduction (a program that uses quiet practice to pay attention and handle stress), and biofeedback training offer promising non-pharmacological (without medicine) approaches for
improving symptom management, emotional regulation, and quality of life (how well you feel and manage daily life) among individuals
with POTS.
By integrating psychoneuroimmunology, behavioral science, and interdisciplinary healthcare
approaches, providers may develop more comprehensive treatment strategies that address the
multifaceted nature of chronic illness. Ultimately, increasing awareness regarding the
psychological and physiological dimensions of POTS may contribute to improved patient
outcomes, stronger healthcare support systems, and meaningful positive social change.
References
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