Commonly reported symptoms in patients with postural orthostatic tachycardia syndrome
| Lightheadedness or dizziness | 78%–87% |
| Palpitations | 75%–92% |
| Fatigue | 48%–90% |
| Headache | 28%–87% |
| Breathing difficulty | 28%–64% |
| Tremulousness | 38%–49% |
Based on information in references 1, 5, 6, and 7.