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What are some signs of POTS syndrome in teenagers?

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Quick Answer

The primary sign of postural orthostatic tachycardia syndrome in teenagers is dizziness or fainting, states MedicineNet. These symptoms are accompanied by an increase in heart rate of more than 40 beats per minute — or 30 beats per minute in adults — within 10 minutes after standing up, states Patient.

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Full Answer

POTS is an autonomic nervous system abnormality in which a reduced volume of blood returns to the heart when an individual rises from a prone position, resulting in lightheadedness or loss of consciousness. Additional symptoms may include purplish skin, chest pain, sweating, shakiness and fatigue. A headache may develop, and the individual may experience brain fog, vision issues and anxiety. He may also have palpitations, bladder and sleep issues, and nausea or diarrhea.

A rapid growth spurt can spark temporary POTS in teenagers that dissipates within a few years, says Patient. Although anyone can develop POTS, the majority of those affected are women between 15 and 50 years old, states MedicineNet. Some triggers that can cause or worsen POTS include menstruation, pregnancy, viral illness, trauma and surgery. Excess heat, consuming refined carbohydrates or alcohol, dehydration and excessive exercise can also cause or exacerbate episodes of POTS, notes Patient. Poor conditioning, especially following a prolonged period of bed rest, can also cause POTS.

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