Table 2.

Adverse effects associated with retigabine [Porter et al. 2007b; Brodie et al. 2010; French et al. 2011].

Adverse effects	Subjects in trials (%)
Abnormal gait	5.6−11.8
Amnesia	5.6
Anxiety	5.2
Asthenia	5.8
Confusion	12.3−14.4
Constipation	5.9
Diplopia	6.1−6.5
Disturbance in attention	5.2−6.4
Dizziness	14.6−40.5
Dysuria	5.2
Fatigue	15.7−16.2
Headache	12.4−14.2
Influenza	7.8
Memory impairment	5.0−7.8
Nausea	6.4−10.5
Somnolence	20.3−31.4
Speech disorder	8.5−12.4
Thinking abnormal	9.0
Tremor	5.3−11.1
Urinary hesitation	5.9
Urinary tract infection	11.8
Vertigo	5.9−9.3
Vision blurred	11.8
Vomiting	5.2