| Pregabalin | 300–600 mg/day | 4–6 | Peripheral edema, dizziness, somnolence ataxia, tremor, blurred vision, diplopia weight gain |
| Gabapentin | 2,400–3,600 mg/day | 4 | Somnolence, dizziness, ataxia, nausea dry mouth, constipation, nystagmus, leucopenia, weight gain. |
| Valproate | 1,000–1,200 mg/day | 4 | Dizziness, somnolence, alopecia, insomnia nausea, diarrhea, vomiting thrombocytopenia, tremor, weakness. |
| Lamotrigine | 200–400 mg/day | 6–8 | Dizziness, ataxia, sedation, headacheblurred vision, diplopia, nausea, rash, confusion, nystagmus, rhinitis. |
| Topiramate | 300–400 mg/day | 12 | Dizziness, ataxia, psychomotor slowing, memory problems, speech difficulties, nausea, migraine, weight loss, anorexia Significant: metabolic acidosis, nephrolithiasis, hyperthermia, central nervous system effects, secondary angle closure glaucoma. |
| Carbamazepine | 600 mg/day | 4 | Agitation, dry mouth, sedation, ataxia, nausea, vomiting, blurred vision, confusion, fatigue, nystagmus |
