Table 2 Most common reported adverse effects seen in dogs treated with levetiracetam, zonisamide, felbamate, topiramate, gabapentin, and pregabalin (rarely reported and/or idiosyncratic adverse effects are indicated in grey
| AED | Adverse effects in dogs |
|---|---|
| Levetiracetam | Sedation |
| Ataxia | |
| Decreased appetite or anorexia | |
| Vomiting | |
| Behavioural changes | |
| Zonisamide | Sedation |
| Ataxia | |
| Vomiting | |
| Inappetence | |
| |
| |
| Felbamate | Keratoconjunctivitis sicca |
| Thrombocytopenia | |
| Lymphopenia and leucopenia | |
| Topiramate | Sedation |
| Ataxia | |
| Weight loss | |
| Gabapentin | Sedation |
| Ataxia | |
| Pregabalin | Sedation |
| Ataxia | |
| Weakness |