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POTS stands for postural orthostatic tachycardia syndrome. It is a form of dysautonomia in which the autonomic nervous system fails to properly regulate heart rate and blood flow when a person stands up. Diagnosis typically requires documenting a sustained heart rate increase of at least 30 beats per minute within ten minutes of standing (or a rate above 120 bpm), in the absence of other causes. A tilt table test or an active stand test performed by a clinician is the standard diagnostic method.

Common symptoms include a rapid or pounding heartbeat when standing, lightheadedness or dizziness, near-fainting or fainting, severe fatigue, brain fog or difficulty concentrating, headaches, nausea, tremors, and in some cases exercise intolerance. Symptoms typically improve when lying down and worsen with prolonged standing or physical exertion.

Yes. Increased fluid intake (2 to 3 liters of water per day), higher dietary sodium intake (under physician guidance), compression garments for the legs and abdomen, elevating the head of the bed, and a graduated recumbent exercise program are all evidence-supported strategies. These measures are often used alongside medications and can meaningfully reduce symptom burden.

When blood pools in the lower extremities upon standing, less blood returns to the heart and reaches the brain. The resulting reduction in cerebral blood flow contributes to cognitive difficulties, mental fatigue, and difficulty concentrating. The compensatory tachycardia itself is also physically demanding and can contribute to overall exhaustion over the course of a day.

The course of POTS varies widely. Some people, particularly adolescents and young adults, experience significant improvement or remission over time. Others have a chronic, fluctuating course that requires ongoing management. Triggers such as dehydration, heat, illness, hormonal changes, and prolonged inactivity can cause temporary worsening. With consistent treatment and lifestyle management, many patients achieve functional improvement.

Treatment is individualized based on the patient's POTS subtype and predominant symptoms. Commonly used agents include low-dose beta-blockers such as propranolol to control heart rate, ivabradine for rate control without blood pressure effects, pyridostigmine to enhance autonomic tone, and agents that help expand blood volume such as amiloride. A physician will review your history to determine the safest and most appropriate option for you.

Doctronic uses an AI-powered evaluation to gather detailed information about your symptoms, medical history, and current medications. That information is reviewed by a licensed physician who then develops a personalized treatment plan. If a prescription is appropriate, it can be sent to your preferred pharmacy. The entire process is designed to be convenient, thorough, and medically sound.

Yes. Doctronic connects patients with fully licensed physicians who review every case individually. All consultations are HIPAA-compliant, and the platform is designed with physician oversight and quality auditing built in. Care is available to adults 18 and older in any U.S. state.