| Similarity | Rank | |
|---|---|---|
| dizziness | 0.864 | 17560 |
| palpitations | 0.856 | 39804 |
| faintness | 0.856 | 99887 |
| lightheadedness | 0.849 | 67558 |
| vomiting | 0.832 | 12456 |
| nausea | 0.823 | 11121 |
| breathlessness | 0.821 | 71854 |
| light-headed | 0.821 | 92302 |
| vertigo | 0.816 | 34916 |
| shortness | 0.810 | 29417 |
| hypotension | 0.808 | 45505 |
| syncope | 0.804 | 80539 |
| giddiness | 0.804 | 81694 |
| lightheaded | 0.803 | 77744 |
| dizzy | 0.798 | 20533 |
| lethargy | 0.794 | 36089 |
| sleeplessness | 0.793 | 49493 |
| numbness | 0.792 | 22822 |
| delirium | 0.788 | 41697 |
| drowsiness | 0.788 | 32853 |
| nosebleeds | 0.776 | 91697 |
| Dizziness | 0.774 | 67144 |
| tiredness | 0.773 | 27237 |
| tachycardia | 0.772 | 50786 |
| convulsions | 0.770 | 37825 |