If you've been told your racing heart, dizziness, and brain fog are "just anxiety," you're not alone. Research shows that 77% of people with POTS are told their symptoms are psychological before finally receiving the correct diagnosis.Here's why this happens and how to advocate for yourself.

You know something is wrong with your body. Your heart pounds when you stand up. You feel dizzy in the shower. You can't think straight, and by afternoon, you're exhausted in a way that sleep doesn't fix. But every doctor you see runs tests that come back "normal" and suggests you might want to talk to someone about your anxiety.

The frustration is real. And for the estimated 1 to 3 million Americans living with Postural Orthostatic Tachycardia Syndrome, this scenario plays out far too often. POTS is a disorder of the autonomic nervous system that causes your heart rate to spike dramatically when you change positions, but because its symptoms overlap so heavily with anxiety, patients spend years being told their very real, very physical condition is all in their heads.

In this article:

• What Is POTS, Exactly?
• Why POTS Gets Confused with Anxiety
• POTS vs Anxiety: The Key Differences
• The Misdiagnosis Problem: By the Numbers
• How POTS Is Actually Diagnosed
• How to Advocate for Yourself
• Why POTS Treatment Requires a Multidisciplinary Approach
• How Cognitive FX Treats POTS as a Neurological Condition

You Deserve to Be Heard

Note: At Cognitive FX, we've treated POTS patients — including many with POTS from long COVID and brain injury — using a five-day neurological rehabilitation protocol that targets the autonomic nervous system directly, not just the heart. If you've been dismissed with an anxiety diagnosis and are looking for a different approach, our POTS intake form is the first step.

What Is POTS, Exactly?

POTS stands for Postural Orthostatic Tachycardia Syndrome. It's a condition where your autonomic nervous system doesn't properly regulate blood flow when you change positions. When you stand up, blood pools in your lower body instead of circulating back up to your heart and brain efficiently. Your heart tries to compensate by beating faster, often increasing by 30 beats per minute or more within ten minutes of standing.

The result is a cascade of symptoms that can make daily life feel impossible: racing heart, lightheadedness, brain fog, fatigue, trembling, nausea, and that unsettling feeling that something is very wrong.

POTS predominantly affects women. Studies show approximately 80% of patients are female, with individual cohorts reporting ranges from 75% to 94%, and symptoms typically begin between ages 15 and 45.

Since the COVID-19 pandemic, researchers have documented a more than five-fold increase in new POTS diagnoses, with studies showing that approximately 31% of highly symptomatic Long COVID patients meet the diagnostic criteria.

Why POTS Gets Confused with Anxiety

On the surface, POTS and anxiety look almost identical. Both can cause a racing heart, dizziness, shortness of breath, trembling, sweating, chest discomfort, and difficulty concentrating. When a patient walks into a doctor's office describing these symptoms, anxiety is often the first explanation that comes to mind.

But there's a crucial difference in what's happening inside you body:

• In anxiety, the brain perceives a threat (real or imagined) and triggers the sympathetic nervous system to release adrenaline. The physical symptoms follow the psychological experience.

• In POTS, the body releases adrenaline in response to a physical problem: blood isn't circulating properly when you stand. Your nervous system floods your body with stress hormones trying to compensate for faulty blood flow regulation. The physical symptoms come first, and any anxiety you feel is a reaction to those symptoms, not the cause of them.

POTS patients have been shown to have elevated norepinephrine levels when standing — often reaching levels seen in the body's active stress response. Their bodies are in a genuine physiological state of fight-or-flight, but it's triggered by gravity and blood flow, not fear or worry.

Much of the anxiety attributed to POTS patients appears to reflect the body's real response to a hyperadrenergic state, not a psychological disorder driving physical symptoms. Direct testing of the heart-rate response in POTS shows it is a physiological response to venous pooling, not a product of anxiety.

The Key Differences Between POTS and Anxiety

While the symptoms overlap significantly, there are several distinguishing features that separate POTS from anxiety disorders:

Position Matters

POTS symptoms are tied to changes in posture. They appear or worsen when you sit up or stand and improve when you lie down. Anxiety symptoms aren't consistently connected to body position. If your heart races specifically when you stand up from bed in the morning or after sitting for a while, and calms down within minutes of lying flat, that pattern points toward POTS rather than anxiety.

Visible Physical Signs

Many POTS patients experience blood pooling that you can actually see. Their feet and legs may turn purple, red, or mottled when they've been standing. Some develop what's called a "coat-hanger headache," pain that spreads across the back of the head, neck, and shoulders during episodes. These visible, measurable signs don't occur with anxiety disorders.

Heat Intolerance

Hot showers, warm weather, and heated rooms dramatically worsen POTS symptoms. Many patients report that taking a shower is one of their most challenging daily activities. This specific heat sensitivity isn't a hallmark of anxiety.

Response to Treatment

Standard anxiety treatments often don't help POTS, and some can actually make it worse. Standard SSRIs like sertraline have not been shown to reduce POTS heart rate or symptom burden in clinical guidance, and SNRI-class antidepressants can make symptoms worse by increasing sympathetic drive.

What helps POTS? Increased salt and fluid intake, compression garments, medications that address blood volume and vascular tone, and carefully designed exercise programs. These interventions target the underlying autonomic dysfunction rather than psychological distress.

The bottom line: POTS produces physical symptoms identical to anxiety, but the cause is autonomic nervous system dysfunction, not psychological distress. Research confirms that POTS patients do not have higher rates of anxiety disorders than the general population.The anxiety many patients experience is a natural response to frightening physical symptoms and years of being dismissed by healthcare providers.

The Misdiagnosis Problem: By the Numbers

The statistics on POTS misdiagnosis are staggering. In the largest survey of POTS patients to date, nearly 5,000 respondents reported waiting a mean of 4.9 years from initial presentation to correct diagnosis, with a wide range — 15% waited more than a decade. They see an average of 7 physicians before diagnosis, with 21% consulting more than 10.

The most troubling finding is that 77% of patients report being told their symptoms were psychiatric or psychological before their POTS diagnosis. In a follow-up analysis of nearly 9,000 patients, nearly 70% were explicitly told their symptoms were 'all in your head'.

The problem is compounded by gender bias. Despite POTS being a predominantly female condition, women wait nearly two years longer for diagnosis than men. The research team noted that gender bias may be influencing the diagnostic process.

Several factors contribute:

• Lack of medical education: POTS receives minimal coverage in most medical school curricula, and many practicing clinicians report having little training in autonomic disorders.

• Testing limitations: Standard vital signs taken while a patient is lying down or sitting will appear completely normal in POTS. The abnormality only shows up when the patient stands, and most routine exams don't include positional vital sign measurements.

• Symptom questionnaires: Standard anxiety screening tools ask about rapid heartbeat, sweating, dizziness, and difficulty concentrating. POTS patients score high on these assessments because of their physical symptoms, leading to misinterpretation as psychiatric illness.

How POTS Is Actually Diagnosed

The gold standard for diagnosing POTS is a tilt table test. During this test, you're strapped to a motorized table that moves from horizontal to nearly upright while medical professionals monitor your heart rate and blood pressure continuously. The diagnostic criteria require a heart rate increase of 30 beats per minute or more (40 for adolescents) within ten minutes of being upright, without a significant drop in blood pressure.

You don't necessarily need specialized equipment to get initial answers. An active standing test can be performed in any doctor's office. The protocol is straightforward: rest lying down for ten minutes, take baseline measurements, then stand and measure heart rate and blood pressure every two minutes for ten minutes. If your heart rate jumps 30+ bpm and stays elevated, that's a strong indicator of POTS.

Additional testing may include measuring catecholamine (stress hormone) levels while standing, autonomic function tests like QSART to assess nerve function, and blood volume testing. These help identify which subtype of POTS you have and guide treatment decisions.

How to Advocate for Yourself

If you suspect you have POTS rather than anxiety, here are steps you can take:

Track your symptoms with position in mind. Keep a log noting what you were doing when symptoms started (standing, sitting, lying down), how long they lasted, and what made them better or worse. Note if symptoms improve when you lie down or elevate your legs.

Measure your own heart rate. Use a pulse oximeter or smartwatch to check your heart rate while lying down for several minutes, then immediately after standing. Repeat at 2, 5, and 10 minutes. If you consistently see a jump of 30+ bpm that stays elevated, bring this data to your doctor.

Ask specifically for orthostatic vital signs. Request that your doctor check your heart rate and blood pressure while lying down, then while standing. Many physicians don't do this routinely, but it's a simple test that can reveal the pattern.

Seek specialists who know POTS. Cardiologists, neurologists, and electrophysiologists who specialize in autonomic disorders are most likely to recognize and properly diagnose POTS. Dysautonomia International and Standing Up to POTS maintain directories of knowledgeable providers.

Don't dismiss yourself. If anxiety treatments aren't working and your symptoms are tied to position changes, trust your experience. POTS is a real, physical condition that requires different treatment than anxiety.

Effective Treatment Requires a Multidisciplinary Approach

POTS affects multiple body systems simultaneously, which is why effective treatment typically requires input from several specialties. The autonomic nervous system controls not just heart rate but also digestion, temperature regulation, bladder function, and blood vessel tone. When it malfunctions, the effects ripple throughout the body.

Successful POTS management usually involves a combination of lifestyle modifications (dramatically increased salt and fluid intake, compression garments, sleeping with the head elevated), carefully progressed exercise programs that start with recumbent activities, and sometimes medications that address blood volume, heart rate, or blood vessel constriction.

Structured exercise has produced some of the strongest published results. In a community-based study, 71% of patients who completed a three-month structured exercise program no longer met diagnostic criteria for POTS, with substantial improvements in blood volume, cardiac function, and quality of life.

How Cognitive FX Treats POTS as a Neurological Condition

Most POTS care targets the heart and blood vessels — beta blockers to slow tachycardia, midodrine to raise blood pressure, compression garments to reduce venous pooling. These interventions can help, but they're addressing the symptom, not the source. The autonomic nervous system and brainstem centers that are miscalibrating heart rate and blood pressure signals in the first place go untouched.

Cognitive FX's POTS Treatment program takes a different approach. Rather than adjusting to a nervous system stuck in fight-or-flight, the goal is to recalibrate it. We're recalibrating the thermostat, not just adjusting to a room that's always too hot.

The five-day program targets three root systems:

• Autonomic regulation — retraining the brainstem centers that control heart rate and blood pressure
• Vestibular calibration — recalibrating the inner ear structure that detects vertical position changes when you stand
• Breathing mechanics — restoring the CO₂/O₂ balance that affects blood flow and brain oxygenation

The protocol wasn't invented for POTS. It emerged from years of treating brain injury patients who also had POTS symptoms — patients whose autonomic dysfunction consistently improved through neurological rehabilitation. We formalized those methods into a dedicated program.

What the week looks like:

Day 1 is a comprehensive evaluation — orthostatic response, vestibular function, cranial nerve inputs, and breathing mechanics — that builds a customized treatment plan. Days 2–5 are four to six hours per day of multi-modal treatment: Neuro-Cardio Training that uses brief intervals through all heart rate zones with precise recovery periods to retrain sympathetic and parasympathetic systems; vestibular recalibration targeting the saccule; breathing mechanics training to address hypocapnia; cranial nerve activation using targeted smell and taste inputs; and CO₂-based therapies to improve oxygen delivery.

Patients leave with a home program built around drills already tested against their specific dysregulation pattern.

The details:

• Duration: 5 days (Monday–Friday), 4–6 hours per day
• Cost: $4,500, including evaluation, all treatment sessions, and follow-up consultations
• Insurance: Not directly covered; we provide documentation and billing codes for out-of-network reimbursement claims. Payment plans available.
• Location: Provo, Utah. Most patients travel from across the US and internationally.

You Deserve to Be Heard

If you've spent months or years being told your very real symptoms are psychological, know that you're not imagining things. The research is unequivocal that POTS is a genuine physiological condition with measurable abnormalities. The symptoms you're experiencing have a physical basis, even if it takes time to find a provider who recognizes it. Many POTS patients describe onset as waking up in a body that no longer feels like their own — a valid response to a real, measurable physiological change.

Awareness is growing. Post-COVID research has increased attention to dysautonomia, and more physicians are learning to recognize POTS. With proper diagnosis and treatment, most patients see meaningful improvement in their symptoms and quality of life.

You know your body better than anyone. Don't stop advocating for yourself until you get answers that make sense.

If you've spent years being told your symptoms are psychological, and you're looking for a program that treats POTS as a neurological condition rather than a cardiovascular one, Cognitive FX's five-day POTS Treatment may be a fit. Complete the POTS intake form or call 385-446-4158 to speak with our team.

Further Reading from Cognitive FX

• POTS Symptoms: The Complete List (Including the Ones Doctors Often Miss)
• How Is POTS Diagnosed? Tests, Timelines, and What to Expect
• Hyperadrenergic POTS: Symptoms, Causes, & Treating the Subtype Most Doctors Miss
• POTS in Women: Why Standard Treatments Often Fall Short
• Do I Have POTS? Self-Assessment Quiz, Symptoms & 4 Types Explained
  
  

Relevant and Cited Research

• Björnson M, Ricci F, Persson H, et al. Prevalence and Clinical Impact of Postural Orthostatic Tachycardia Syndrome in Highly Symptomatic Long COVID. Circulation: Arrhythmia and Electrophysiology. 2025. https://www.ahajournals.org/doi/10.1161/CIRCEP.124.013629
• Bourne KM, Sheldon RS, Hall J, et al. Symptom Presentation and Access to Medical Care in Patients With Postural Orthostatic Tachycardia Syndrome: Role of Sex. CJC Open. 2021;3(12 Suppl):S44–S52. https://pmc.ncbi.nlm.nih.gov/articles/PMC8712580/
• Fedorowski A. Postural orthostatic tachycardia syndrome: clinical presentation, aetiology and management. Journal of Internal Medicine. 2019;285(4):352–366. https://onlinelibrary.wiley.com/doi/10.1111/joim.12852
• Garland EM, Raj SR, Black BK, Harris PA, Robertson D. The hemodynamic and neurohumoral phenotype of postural tachycardia syndrome. Neurology. 2007;69(8):790–798. https://www.neurology.org/doi/10.1212/01.wnl.0000267663.05398.40
• George SA, Bivens TB, Howden EJ, et al. The international POTS registry: Evaluating the efficacy of an exercise training intervention in a community setting. Heart Rhythm. 2016;13(4):943–950. https://doi.org/10.1016/j.hrthm.2015.12.012
• Lei LY, Chew DS, Sheldon RS, Raj SR. Evaluating and managing postural tachycardia syndrome. Cleveland Clinic Journal of Medicine. 2019;86(5):333–344. https://www.ccjm.org/content/86/5/333
• Masuki S, Eisenach JH, Johnson CP, et al. Excessive heart rate response to orthostatic stress in postural tachycardia syndrome is not caused by anxiety. Journal of Applied Physiology. 2007;102(3):896–903. https://journals.physiology.org/doi/full/10.1152/japplphysiol.00927.2006
• Raj V, Haman KL, Raj SR, et al. Psychiatric profile and attention deficits in postural tachycardia syndrome. Journal of Neurology, Neurosurgery & Psychiatry. 2009;80(3):339–344. https://pubmed.ncbi.nlm.nih.gov/18977825/
• Shaw BH, Stiles LE, Bourne K, et al. The face of postural tachycardia syndrome — insights from a large cross-sectional online community-based survey. Journal of Internal Medicine. 2019;286(4):438–448. https://onlinelibrary.wiley.com/doi/10.1111/joim.12895
• Sheldon RS, Grubb BP, Olshansky B, et al. 2015 Heart Rhythm Society Expert Consensus Statement on the Diagnosis and Treatment of Postural Tachycardia Syndrome, Inappropriate Sinus Tachycardia, and Vasovagal Syncope. Heart Rhythm. 2015;12(6):e41–e63. https://doi.org/10.1016/j.hrthm.2015.06.029