Symptoms|Treatments|Side effects|Causes
| Caffeine | % of members (num votes) |
|---|---|
| difficulty sleeping | 59% (703) |
| fast heart rate | 54% (716) |
| restlessness | 53% (712) |
| excessive urination | 50% (700) |
| anxiety | 45% (709) |
| irritability | 40% (706) |
| dizziness | 23% (696) |
| depression | 22% (691) |
| tremors | 21% (696) |
| nausea | 21% (693) |
| Modafinil (Provigil) | % of members (num votes) |
|---|---|
| difficulty falling asleep or staying asleep | 41% (68) |
| headache | 38% (69) |
| dizziness | 29% (68) |
| dry mouth | 30% (63) |
| excessive thirst | 29% (63) |
| loss of appetite | 29% (63) |
| drowsiness | 22% (67) |
| sweating | 23% (62) |
| confusion | 21% (62) |
| constipation | 16% (64) |
| back pain | 16% (62) |
| gas | 15% (62) |
| tight muscles or difficulty moving | 13% (61) |
| difficulty seeing or eye pain | 13% (62) |
| flushing | 13% (62) |
| unusual tastes | 13% (62) |
| heartburn | 10% (63) |
| burning, tingling, or numbness of the skin | 8% (62) |
| nausea | 7% (67) |
| uncontrollable shaking of a part of your body | 8% (62) |
| diarrhea | 6% (65) |
| nosebleed | 5% (62) |