Table 3.
 Incidence of important adverse reactions in first 24 hours
| Allocated intervention | Type of reaction | Time after administration (hours:minutes) | Treatment* |
|---|---|---|---|
| Haloperidol (10 mg) | Acute dystonia | 0:15 | Promethazine (50 mg) |
| Haloperidol (10 mg) | Acute dystonia | 0:33 | Promethazine (50 mg) |
| Haloperidol (10 mg) | Acute dystonia | 1:20 | Promethazine (50 mg) |
| Haloperidol (10 mg) | Acute dystonia | 1:50 | Promethazine (50 mg) |
| Haloperidol (10 mg) | Acute dystonia | 15:00 | Promethazine (50 mg) |
| Haloperidol (5 mg) | Acute dystonia | 15:30 | Promethazine (50 mg) |
| Haloperidol (10 mg) | Acute dystonia | 18:20 | Promethazine (50 mg) |
| Haloperidol (5 mg) | Acute dystonia | 20:45 | Promethazine (50 mg) |
| Haloperidol (5 mg) | Acute dystonia | 22:50 | Diazepam (10 mg) plus promethazine oral (25 mg) |
| Haloperidol (10 mg) | Acute dystonia plus seizure | 0:30 | Diazepam (10 mg) plus promethazine (50 mg) |
| Haloperidol (10 mg) | Seizure | 16:55 | Diazepam (10 mg) |
| Haloperidol (5 mg) plus promethazine (25 mg) | Seizure | 1:30 | Clonazepam oral (2 mg) |
*Intramuscular unless stated otherwise.