| Reaction | |
|---|
| Impaired concentration (45) | |
| Impulse control disorder (14) | |
| Incoordination (23) | |
| Insomnia (432) | |
| Intracranial hemorrhage (40) | |
| Intracranial pressure decreased (2) | |
| Intracranial pressure increased (intracranial hypertension) (19) | |
| Intraventricular hemorrhage (4) | |
| Irritability (107) | |
| Ischemic injury (1) | |
| Ischemic stroke (14) | |
