Dizziness Upon Standing Linked to COVID-19 POTS emerging as 'long-haul' symptom months after COVID-19 infection Postural orthostatic tachycardia syndrome (POTS) symptoms include rapid heart rate, dizziness upon standing, light-headedness, headache, and palpitations Viral illnesses, severe infections, or traumas are usually followed by POTS in 30% to 50% of patients. Even months after recovering from COVID-19 infection, patients can experience long term symptoms that are consistent with a diagnosis of postural orthostatic tachycardia syndrome (POTS), according to a clinical case report. Postural Orthostatic Tachycardia Syndrome (POTS)Postural Orthostatic Tachycardia Syndrome (POTS) is a circulatory disorder which is characterized by an increase in heart rate or tachycardia. POTS condition is most commonly known for causing dizziness upon standing, other symptoms include light-headedness, headache, palpitations, fatigue, blurred vision, brain fog, nausea, and exercise intolerance.