What is POTS?
POTS (postural orthostatic tachycardia syndrome) is a dysfunction of the autonomic nervous system. That’s the system that runs everything your body does without you deciding to. In POTS, standing up can push your heart rate up 30 beats per minute or more (40 or more in teens) within 10 minutes, without a big drop in blood pressure. But heart rate is only the part a doctor can measure. Brain fog, fatigue, nausea, temperature swings, and gut problems come from the same system misfiring.
What your autonomic nervous system controls
• Heart rate and blood pressure, including the adjustment when you stand up
• Breathing rate
• Digestion and how fast food moves through your gut
• Body temperature, sweating, and shivering
• Where blood goes, and how much pools in your legs
• Adrenaline and stress hormone release
• Bladder and bowel control
• Pupil size and eye focus
• Saliva and tears
Impact on Daily Life
POTS can affect many areas of daily life, including work, school, social activities, and basic routines at home. Tasks that seem simple—such as standing up from a chair, showering, cooking, walking short distances, or waiting in line—can trigger symptoms like dizziness, fatigue, or rapid heart rate. Because energy levels can change throughout the day, many people with POTS need to pace themselves, plan activities carefully, and allow time for rest and recovery. The invisible nature of POTS can also be emotionally challenging, as others may not realize how much effort everyday activities require.
Heart Rate Changes When Standing
When a healthy person stands up, the body automatically adjusts blood flow to keep enough blood reaching the brain. In POTS, this adjustment does not work as efficiently. Blood may pool in the lower part of the body, and the heart compensates by beating much faster to maintain circulation. This rapid heart rate can feel uncomfortable and may be accompanied by symptoms such as chest tightness, shakiness, lightheadedness, or weakness. Although this response can help prevent fainting for some people, it often does not fully restore normal blood flow to the brain, which is why symptoms may continue even when a person remains standing.
Common Triggers
Certain everyday factors can worsen POTS symptoms or lead to flare-ups. Heat can cause blood vessels to relax, making it harder for blood to return to the heart and brain. Dehydration can lower blood volume, which may intensify dizziness and fatigue. Emotional or physical stress can place extra strain on the nervous system, and standing still for long periods can increase blood pooling in the legs. Illness, lack of sleep, and overexertion may also trigger symptoms for some people. Learning to recognize personal triggers can help individuals plan ahead, avoid symptom spikes when possible, and make small adjustments to daily routines.
Management Strategies
Managing POTS often involves a combination of lifestyle adjustments and personalized care. Many people benefit from increasing fluid intake and, when advised by a healthcare provider, adjusting salt intake to help support blood volume. Compression garments can help improve circulation in the legs, and elevating the legs while resting may reduce blood pooling. Gentle, gradual movement and pacing activities throughout the day can help conserve energy and reduce symptom flare-ups. Because POTS affects each person differently, working with a healthcare provider to create an individualized management plan can be an important part of improving quality of life and finding what works best for each individual.
Join Our POTS Community — You’re Not Alone
Joining our POTS community gives you the opportunity to connect with others who truly understand the challenges of living with Postural Orthostatic Tachycardia Syndrome. This is a safe and supportive space where you can share your experiences, ask questions, and gain practical tips from people who have faced similar symptoms and obstacles. Whether you’re newly diagnosed or have been managing POTS for years, you’ll find encouragement, empathy, and resources designed to help you navigate daily life with this condition. Our community also provides access to educational materials, guidance on symptom management, and updates on the latest research, so you can feel informed and empowered. By joining, you’re not just getting support for yourself—you’re becoming part of a group that lifts each other up, celebrates victories big and small, and works together to increase awareness and understanding of POTS.
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