| Drug name | Tablet/capsule | Liquid/syrup | Side effects* |
| Cannabidiol (Epidiolex®) | X | Diarrhea, decreased appetite, sleepiness, insomnia, liver problems | |
| Carbamazepine (Tegretol®, Carbatrol®, Oxtellar-XR®) | X (including chewable) | X | Diarrhea, rash, serious allergic reaction, low blood sodium levels |
| Ethosuximide (Zarontin®) | X | X | Trouble sleeping, hyperactivity |
| Ezogabine (Potiga®) | X | Urinary retention, blue skin, eye problems | |
| Gabapentin (Neurontin®) | X | X | Weight gain |
| Lacosamide (Vimpate®) | X | Heart rhythm changes | |
| Lamotrigine (Lamictal® | X (including chewable) | Rash, with risk of a serious allergic reaction | |
| Levtiracetam (Keppra®) | X | X | Aggressive behavior, irritability |
| Oxcarbazepine (Trileptal®) | X | X | Rash, serious allergic reaction, low blood sodium levels |
| Phenobarbital (Luminal®) | X | X | Slowed thinking, rash, hyperactivity and other behavioral changes in children |
| Phenytoin (Dilantin®, Phenytek®) | X (including chewable) | X | Abnormal growth of the gums, increased body hair, rash, swollen lymph nodes (glands) |
| Pregabalin (Lyrica®) | X | Weight gain | |
| Rufinamide (Banzel®) | X | Heart rhythm changes | |
| Tiagabine (Gabitril®) | X | Tremor, difficulty concentrating, abdominal pain | |
| Topiramate (Topamax®) | X (capsule may be opened and sprinkled on food) | Weight loss, numbness and tingling in the hands and feet; difficulty thinking clearly | |
| Valproic acid (Depakote®, Depakene®) | X (capsule may be opened and sprinkled on food) | X | Weight gain, hair loss, bruising, tremor, liver toxicity |
| Zonisamide (Zonegran®) | X | Weight loss, difficulty thinking clearly |
