Symptoms|Treatments|Side effects|Causes
| Caffeine | % of members (num votes) |
|---|---|
| difficulty sleeping | 59% (704) |
| fast heart rate | 54% (717) |
| restlessness | 53% (713) |
| excessive urination | 50% (701) |
| anxiety | 45% (710) |
| irritability | 40% (707) |
| dizziness | 23% (697) |
| depression | 22% (692) |
| tremors | 21% (697) |
| nausea | 21% (694) |