POTS

Chinese: 体位性心动过速综合征

A source-backed guide to POTS: symptoms, causes, diagnosis, care, urgent warning signs, and practical questions.

Health categoryCerebrovascular and circulatory disorders

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Overview

Clinical references note that the workshop included presentations by leading experts in POTS research and care, officials from the three sponsoring Institutes, and patient advocates, all of whom provided their individual perspectives on this timely and important topic. In practice, when a person moves from lying down to sitting or standing upright (known as orthostasis), nearly a half-liter of blood moves to the lower extremities, causing a temporary reduction in blood flow to the brain. Evidence summaries report that normally, these changes activate the involuntary (autonomic) nervous system leading to a temporary increase in heart rate. This overview explains the usual pattern of POTS; it cannot determine whether one individual has the condition.

  • Clinical references note that the workshop included presentations by leading experts in POTS research and care, officials from the three sponsoring Institutes, and patient advocates, all of whom provided their individual perspectives on this timely and important topic. In practice, when a person moves from lying down to sitting or standing upright (known as orthostasis), nearly a half-liter of blood moves to the lower extremities, causing a temporary reduction in blood flow to the brain. Evidence summaries report that normally, these changes activate the involuntary (autonomic) nervous system leading to a temporary increase in heart rate. This overview explains the usual pattern of POTS; it cannot determine whether one individual has the condition.
  • Clinical references note that Excessive increase in heart rate within 10 minutes of upright posture (≥ 30 bpm in adults or ≥ 40 bpm in adolescents); and. In practice, Absence of orthostatic hypotension (defined as a drop in blood pressure ≥ 20/10 mm Hg within the first 3 minutes of upright posture); and. Evidence summaries report that other symptoms that develop or worsen with upright posture, and that improve or resolve with recumbence; and. For patients and families, an important point is that symptoms lasting at least three months; and. Identifying POTS starts with the clinical pattern and a focused examination. A clinician chooses tests to answer a specific question, then interprets results alongside age, medicines, family history, exposures, and other conditions. No single investigation is appropriate for every person.
  • Evidence summaries report that the workshop included presentations by leading experts in POTS research and care, officials from the three sponsoring Institutes, and patient advocates, all of whom provided their individual perspectives on this timely and important topic. For patients and families, an important point is that many people living with POTS report a preceding medical or life-changing event such as viral infection, concussion, surgery, pregnancy, or puberty. Clinical references note that One patient survey found that more than half of POTS patients traveled more than 100 miles from home, and >20% of patients travelled >500 miles from home, for POTS-related medical care. In practice, no curative treatment is currently established and no standardized therapy for POTS, and current treatment options focus on addressing symptoms rather than underlying disease processes. Care for POTS depends on its cause, severity, organs involved, other health conditions, and the person's goals. Options can range from observation and symptom support to medicines, procedures, rehabilitation, or specialist follow-up. The safest plan is individualized; prescribed care should not be changed because another person had a different experience.

Do not wait for a website to decide

  • Call emergency services for sudden facial droop, one-sided weakness, trouble speaking, loss of vision, collapse, or an abrupt severe headache.
  • Seek prompt professional assessment when symptoms are new, persistent, or clearly worsening.

People can experience it differently

What symptoms can occur?

Evidence summaries report that people living with POTS suffer from an excessive increase in heart rate (tachycardia) and additional symptoms that worsen upon standing or sitting up, such as light-headedness, shortness of breath, chest pain, and palpitations. For patients and families, an important point is that POTS can be a debilitating condition that affects routine activities such as working or attending school. Clinical references note that POTS primarily affects women of child-bearing age, with most studies reporting >80-90% female predominance. In practice, While there are no precise data on the prevalence of POTS, it is estimated to affect 0.2-1% of the U. Symptoms can overlap with other illnesses, and their absence does not always rule the condition out.

Risk does not equal certainty

Causes and risk factors

What is known about the cause

Clinical references note that the peak incidence is at age 14 years, but half of all individuals with POTS develop it in adulthood. In practice, Genetic factors probably also affect susceptibility to POTS. Evidence summaries report that many people living with POTS report a preceding medical or life-changing event such as viral infection, concussion, surgery, pregnancy, or puberty. For patients and families, an important point is that Due to the highly variable symptoms and signs of POTS across different individuals, it is unclear whether POTS is best defined as a single syndrome or as a syndrome with several subtypes that have distinct underlying causes. The cause of POTS may be established, multifactorial, or still uncertain. Biological mechanisms, inherited factors, infections, exposures, medicines, and related health conditions are considered only when they fit the evidence. A general description should not be used to assign a personal cause.

Factors associated with higher risk

Evidence summaries report that POTS primarily affects women of child-bearing age, with most studies reporting >80-90% female predominance. For patients and families, an important point is that individuals with POTS also tend to have one or more associated conditions, or comorbidities. Clinical references note that many people living with POTS also have a personal or family history of autoimmune disease, in which the immune system attacks the body's own tissues. Factors linked with POTS differ by subtype and population. A clinician may consider age, family history, relevant exposures, medicines, and related conditions, but the importance of each factor varies. Risk changes probability; it does not confirm a diagnosis or predict one person's course.

Risk is not a diagnosis

Who is more likely to be affected?

Evidence summaries report that POTS primarily affects women of child-bearing age, with most studies reporting >80-90% female predominance. For patients and families, an important point is that individuals with POTS also tend to have one or more associated conditions, or comorbidities. Clinical references note that many people living with POTS also have a personal or family history of autoimmune disease, in which the immune system attacks the body's own tissues. Factors linked with POTS differ by subtype and population. A clinician may consider age, family history, relevant exposures, medicines, and related conditions, but the importance of each factor varies. Risk changes probability; it does not confirm a diagnosis or predict one person's course.

Tests answer specific questions

Common tests and what they show

  • Clinical assessment

    Clinical references note that Excessive increase in heart rate within 10 minutes of upright posture (≥ 30 bpm in adults or ≥ 40 bpm in adolescents); and. In practice, Absence of orthostatic hypotension (defined as a drop in blood pressure ≥ 20/10 mm Hg within the first 3 minutes of upright posture); and. Evidence summaries report that other symptoms that develop or worsen with upright posture, and that improve or resolve with recumbence; and. For patients and families, an important point is that symptoms lasting at least three months; and. Identifying POTS starts with the clinical pattern and a focused examination. A clinician chooses tests to answer a specific question, then interprets results alongside age, medicines, family history, exposures, and other conditions. No single investigation is appropriate for every person.

  • Purpose and limits of testing

    Tests should confirm a working diagnosis, assess severity, identify complications, or rule out an important alternative. Not every person needs every available investigation, and a result must be interpreted in context.

Clinical assessment

How is it diagnosed?

Clinical references note that Excessive increase in heart rate within 10 minutes of upright posture (≥ 30 bpm in adults or ≥ 40 bpm in adolescents); and. In practice, Absence of orthostatic hypotension (defined as a drop in blood pressure ≥ 20/10 mm Hg within the first 3 minutes of upright posture); and. Evidence summaries report that other symptoms that develop or worsen with upright posture, and that improve or resolve with recumbence; and. For patients and families, an important point is that symptoms lasting at least three months; and. Identifying POTS starts with the clinical pattern and a focused examination. A clinician chooses tests to answer a specific question, then interprets results alongside age, medicines, family history, exposures, and other conditions. No single investigation is appropriate for every person.

Professional assessment matters

What else can look similar?

Several disorders can resemble POTS, and the useful comparison depends on the symptom pattern, age, timing, examination, medicines, exposures, and test findings. Similarity in a search result is not enough to distinguish them. A clinician should prioritize alternatives that are common, treatable, or dangerous to miss, then select only the investigations likely to change care.

Classification can guide care

Types, severity, or stages

Some people with POTS are classified by cause, clinical type, severity, affected body system, or stage. These labels can guide testing, treatment, monitoring, and prognosis, but they are not interchangeable. Ask which classification applies, what evidence supports it, and whether it may change as more information becomes available.

Shared decisions

What are the treatment options?

Evidence summaries report that the workshop included presentations by leading experts in POTS research and care, officials from the three sponsoring Institutes, and patient advocates, all of whom provided their individual perspectives on this timely and important topic. For patients and families, an important point is that many people living with POTS report a preceding medical or life-changing event such as viral infection, concussion, surgery, pregnancy, or puberty. Clinical references note that One patient survey found that more than half of POTS patients traveled more than 100 miles from home, and >20% of patients travelled >500 miles from home, for POTS-related medical care. In practice, no curative treatment is currently established and no standardized therapy for POTS, and current treatment options focus on addressing symptoms rather than underlying disease processes. Care for POTS depends on its cause, severity, organs involved, other health conditions, and the person's goals. Options can range from observation and symptom support to medicines, procedures, rehabilitation, or specialist follow-up. The safest plan is individualized; prescribed care should not be changed because another person had a different experience.

Looking beyond today's visit

Outlook and follow-up

The outlook for POTS varies with cause, severity, age at onset, organs involved, other health conditions, access to care, and response to treatment. Population averages cannot forecast one person's result. A more useful discussion sets measurable goals, identifies complications worth monitoring, and agrees on a date to reassess the plan.

Recognizing important change

Possible complications

Potential complications of POTS depend on the disease mechanism, severity, delay before treatment, and effects of therapy. Follow-up aims to identify important change early without testing for every theoretical problem. Ask which two or three complications are most relevant, what warning signs they cause, and whether scheduled examination or laboratory monitoring is needed.

Practical support

Self-management

For POTS, use the monitoring and follow-up plan agreed with the clinical team. Keep an accurate medicine list, note possible side effects, and record meaningful changes in symptoms or daily function. Clinical references note that Unger, MD, PhD; Centers for Disease Control and Prevention Vicky Whittemore, PhD; Channels, Synapses, and Circuits Cluster, NINDS. Not every case of POTS can be prevented. Where modifiable risks or screening options exist, a clinician can help decide which steps are relevant. Appropriate follow-up and early review of new problems can reduce avoidable harm. Home observations are most useful when they support a clinical decision; repeated checking without a plan can increase anxiety and may still miss important change.

Long-term health

Living with the condition

Living with POTS may affect energy, sleep, mobility, school, work, relationships, or emotional wellbeing, although the impact varies widely. Tell the care team what has become difficult rather than reporting test values alone. Ask which activities are safe, what support is available, and how progress will be measured. Reliable peer support can reduce isolation, but another person's diagnosis or treatment should not be copied as a personal plan.

Practical, evidence-based choices

Food and nutrition

There is no universal food plan that cures POTS. Nutrition advice should reflect the condition, medicines, swallowing or digestive symptoms, kidney and liver function, allergies, weight goals, culture, and access to food. Avoid restrictive diets or supplements promoted as substitutes for diagnosis or treatment; discuss any product that could interact with prescribed care.

Advice may need adapting

Children, pregnancy, and older adults

Children, older adults, pregnant or breastfeeding people, and those with kidney, liver, immune, developmental, or multiple health conditions may experience POTS differently. Test ranges, medicine doses, side-effect risks, and thresholds for urgent review can change in these groups. General information should therefore be checked against advice from a suitably qualified professional.

Separating evidence from assumptions

Common misconceptions

  • One symptom or online checklist can prove POTS.

    Symptoms often overlap across conditions. Diagnosis depends on context, examination, and appropriate testing.

  • A treatment that helped another person is automatically safe for me.

    Benefits, risks, doses, and monitoring depend on the individual, other conditions, and medicines.

Use appointment time well

Preparing for care

Before an appointment about POTS, write down when the problem began, how it has changed, what makes it better or worse, and how it affects ordinary activities. Bring previous reports, a full list of medicines and supplements, allergies, relevant family history, and two or three priorities. Ask what evidence supports the working diagnosis, which alternatives remain possible, what each test could change, and when follow-up should occur.

Care conversations

Questions to ask a health professional

  1. What findings support this diagnosis, and what important alternatives remain?
  2. Which tests are most likely to change the next decision?
  3. What are the realistic benefits, risks, and alternatives for each care option?
  4. Which changes require routine contact, prompt review, or emergency help?

Questions people often ask

10 common questions

What does POTS mean?

Clinical references note that the workshop included presentations by leading experts in POTS research and care, officials from the three sponsoring Institutes, and patient advocates, all of whom provided their individual perspectives on this timely and important topic. In practice, when a person moves from lying down to sitting or standing upright (known as orthostasis), nearly a half-liter of blood moves to the lower extremities, causing a temporary reduction in blood flow to the brain. Evidence summaries report that normally, these changes activate the involuntary (autonomic) nervous system leading to a temporary increase in heart rate. This overview explains the usual pattern of POTS; it cannot determine whether one individual has the condition.

What symptoms can occur with POTS?

Evidence summaries report that people living with POTS suffer from an excessive increase in heart rate (tachycardia) and additional symptoms that worsen upon standing or sitting up, such as light-headedness, shortness of breath, chest pain, and palpitations. For patients and families, an important point is that POTS can be a debilitating condition that affects routine activities such as working or attending school. Clinical references note that POTS primarily affects women of child-bearing age, with most studies reporting >80-90% female predominance. In practice, While there are no precise data on the prevalence of POTS, it is estimated to affect 0.2-1% of the U. Symptoms can overlap with other illnesses, and their absence does not always rule the condition out.

What causes POTS?

Clinical references note that the peak incidence is at age 14 years, but half of all individuals with POTS develop it in adulthood. In practice, Genetic factors probably also affect susceptibility to POTS. Evidence summaries report that many people living with POTS report a preceding medical or life-changing event such as viral infection, concussion, surgery, pregnancy, or puberty. For patients and families, an important point is that Due to the highly variable symptoms and signs of POTS across different individuals, it is unclear whether POTS is best defined as a single syndrome or as a syndrome with several subtypes that have distinct underlying causes. The cause of POTS may be established, multifactorial, or still uncertain. Biological mechanisms, inherited factors, infections, exposures, medicines, and related health conditions are considered only when they fit the evidence. A general description should not be used to assign a personal cause.

Who may be more likely to develop POTS?

Evidence summaries report that POTS primarily affects women of child-bearing age, with most studies reporting >80-90% female predominance. For patients and families, an important point is that individuals with POTS also tend to have one or more associated conditions, or comorbidities. Clinical references note that many people living with POTS also have a personal or family history of autoimmune disease, in which the immune system attacks the body's own tissues. Factors linked with POTS differ by subtype and population. A clinician may consider age, family history, relevant exposures, medicines, and related conditions, but the importance of each factor varies. Risk changes probability; it does not confirm a diagnosis or predict one person's course.

How do clinicians identify POTS?

Clinical references note that Excessive increase in heart rate within 10 minutes of upright posture (≥ 30 bpm in adults or ≥ 40 bpm in adolescents); and. In practice, Absence of orthostatic hypotension (defined as a drop in blood pressure ≥ 20/10 mm Hg within the first 3 minutes of upright posture); and. Evidence summaries report that other symptoms that develop or worsen with upright posture, and that improve or resolve with recumbence; and. For patients and families, an important point is that symptoms lasting at least three months; and. Identifying POTS starts with the clinical pattern and a focused examination. A clinician chooses tests to answer a specific question, then interprets results alongside age, medicines, family history, exposures, and other conditions. No single investigation is appropriate for every person.

How is POTS usually treated or managed?

Evidence summaries report that the workshop included presentations by leading experts in POTS research and care, officials from the three sponsoring Institutes, and patient advocates, all of whom provided their individual perspectives on this timely and important topic. For patients and families, an important point is that many people living with POTS report a preceding medical or life-changing event such as viral infection, concussion, surgery, pregnancy, or puberty. Clinical references note that One patient survey found that more than half of POTS patients traveled more than 100 miles from home, and >20% of patients travelled >500 miles from home, for POTS-related medical care. In practice, no curative treatment is currently established and no standardized therapy for POTS, and current treatment options focus on addressing symptoms rather than underlying disease processes. Care for POTS depends on its cause, severity, organs involved, other health conditions, and the person's goals. Options can range from observation and symptom support to medicines, procedures, rehabilitation, or specialist follow-up. The safest plan is individualized; prescribed care should not be changed because another person had a different experience.

Can POTS be prevented or its risks reduced?

Clinical references note that Unger, MD, PhD; Centers for Disease Control and Prevention Vicky Whittemore, PhD; Channels, Synapses, and Circuits Cluster, NINDS. Not every case of POTS can be prevented. Where modifiable risks or screening options exist, a clinician can help decide which steps are relevant. Appropriate follow-up and early review of new problems can reduce avoidable harm.

What should I record between appointments?

Keep a short dated record of symptoms, functional impact, medicines and side effects, relevant measurements, and questions. A consistent summary is usually more useful than a large amount of unstructured information.

When should someone with possible POTS seek urgent help?

Use the warning signs near the top of this guide and any personal emergency plan. Severe new symptoms, rapid deterioration, collapse, confusion, major breathing difficulty, uncontrolled bleeding, or inability to remain safe require urgent assessment.

How can I make the next appointment more useful?

Before an appointment about POTS, write down when the problem began, how it has changed, what makes it better or worse, and how it affects ordinary activities. Bring previous reports, a full list of medicines and supplements, allergies, relevant family history, and two or three priorities. Ask what evidence supports the working diagnosis, which alternatives remain possible, what each test could change, and when follow-up should occur.

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About this guide

Maintained by whocure content team

Purpose Health education and appointment preparation; not individual diagnosis or treatment.

Language status English content is maintained separately from the Chinese edition.