Table 3. Adverse Events by Treatment Group.
| Symptoms | Adverse Events, No. | |||
|---|---|---|---|---|
| Total (N = 63)a | At 15 min (n = 35) | |||
| Ketamine | Fentanyl | Ketamine | Fentanyl | |
| Dizziness | 9 | 0 | 7 | 0 |
| Dysphoria/dissociation | 1 | 0 | 1 | 0 |
| Unpleasant taste | 9 | 2 | 1 | 1 |
| Drowsiness | 21 | 10 | 17 | 4 |
| Nausea/vomiting | 3 | 0 | 0 | 0 |
| Itchiness | 1 | 0 | 0 | 0 |
| Vision changes | 2 | 0 | 1 | 0 |
| Headache | 0 | 1 | 0 | 0 |
| Rash | 0 | 1 | 0 | 1 |
| Light-headedness | 2 | 0 | 2 | 0 |
| Nystagmus | 1b | 0 | 0 | 0 |
| Total | 49 | 14 | 29 | 6 |
a
For the ketamine group, 34 patients reported 49 adverse events. For the fentanyl group, 13 patients reported 14 adverse events.
b
Discovered during 30-day telephone call but occurred during initial emergency department visit. There were no problems pertaining to behavior or sleep reported and no other adverse events reported at the 30-day follow-up calls.