Skip to main content
. 2011 May 18;11:37. doi: 10.1186/1471-2431-11-37

Table 11.

Rates of specific adverse effects for the antiepileptic drug treatments reported to be most effective

Adverse Effects Valproic Acid Lamotrigine Levetiracetam Ethosuximide
Mood Instability or Anger 10% 10% 21% 4%

Behavioral Change 5% 3% 8% 0%

Drowsiness/tiredness/fatigue 10% 4% 8% 7%

Change in appetite or weight 11% 2% 3% 7%

Increase in seizures 2% 5% 4% 7%

Constipation or diarrhea 3% 2% 1% 0%

Sleep disruption 4% 5% 3% 4%

Inattention or confusion 4% 3% 4% 0%

Rash or allergic reaction 1% 7% 1% 0%

Hyperactivity 4% 3% 3% 4%

Nausea and/or vomiting 2% 3% 1% 4%

Ataxia, tremor or dizziness 6% 3% 1% 0%

Unusual infection 1% 0% 1% 0%

Movement disorder 1% 2% 2% 0%

Anxiety 1% 1% 2% 0%

Headache 1% 3% 0% 0%

Hair loss 3% 1% 0% 0%

Visual disturbances 0% 1% 1% 0%

Speech disturbance 3% 4% 4% 0%

Enuresis 1% 0% 1% 0%

Other 6% 0% 2% 4%