Table 5.

Adverse events, N (%).

	None	Mild	Moderate	Serious
Drowsiness	552 (41.4%)	736 (55.2%)	32 (2.4%)	13 (1.0%)
Ataxia	969 (72.7%)	339 (25.4%)	20 (1.5%)	5 (0.4%)
Dizziness	772 (57.9%)	531 (39.8%)	25 (1.9%)	5 (0.4%)
Headache	905 (67.9%)	405 (30.4%)	18 (1.4%)	5 (0.4%)
Hyperactivity	1,110 (83.3%)	209 (15.7%)	8 (0.6%)	6 (0.5%)
Skin rash	1,196 (89.7%)	130 (9.8%)	3 (0.2%)	4 (0.3%)
Gastrointestinal complaints	1,130 (84.8%)	191 (14.3%)	3 (0.2%)	9 (0.7%)
Anxiety or depression	1,087 (81.5%)	234 (17.6%)	6 (0.5%)	6 (0.5%)