A Parent‑ and Patient‑Friendly Overview of the Most Common Epilepsy Medications
Anti‑seizure medications (ASMs) are the first‑line treatment for most types of epilepsy. While each medication works differently, the goal is the same: reduce or stop seizures while minimizing side effects.
At Georgia Epilepsy & Neurology Institute, we help families understand how these medications work, what to expect, and how to use them safely.
How Anti‑Seizure Medications Work
ASMs help stabilize electrical activity in the brain. They may:
- Reduce seizure frequency
- Shorten seizure duration
- Prevent seizure clusters
- Improve quality of life
Most patients respond well to one medication. Others may need a combination for optimal control.
Common Anti‑Seizure Medications
Below is a simple, parent‑friendly guide to the medications you are most likely to encounter. Your neurologist will choose the safest and most effective option based on seizure type, age, medical history, and genetic factors.
Levetiracetam (Keppra®)
Used for: Focal seizures, generalized seizures, juvenile myoclonic epilepsy Pros: Well‑tolerated, available in liquid/tablet, few drug interactions Common side effects: Irritability, mood changes, fatigue Tips: Vitamin B6 may help with mood symptoms (if recommended by your provider)
Oxcarbazepine (Trileptal®)
Used for: Focal seizures Pros: Effective, available in liquid Common side effects: Low sodium, dizziness, rash Tips: Notify us if you see rash or increased sleepiness
Lamotrigine (Lamictal®)
Used for: Focal and generalized seizures Pros: Excellent long‑term tolerability, mood‑stabilizing Common side effects: Rash (rare but serious), headache Tips: Must be increased slowly to avoid rash
Topiramate (Topamax®)
Used for: Focal seizures, generalized seizures, migraine prevention Pros: Helpful for patients with migraines Common side effects: Word‑finding difficulty, appetite loss, tingling Tips: Encourage hydration to reduce kidney stone risk
Valproic Acid / Divalproex (Depakote®)
Used for: Generalized epilepsy, absence seizures, myoclonic seizures Pros: Very effective for generalized epilepsies Common side effects: Weight gain, tremor, hair thinning Important: Not recommended in pregnancy unless specifically discussed
Zonisamide (Zonegran®)
Used for: Focal seizures Pros: Once‑daily dosing Common side effects: Appetite loss, sleepiness, kidney stones Tips: Encourage hydration
Clobazam (Onfi®)
Used for: Lennox‑Gastaut syndrome, refractory seizures Pros: Helpful as an add‑on medication Common side effects: Sleepiness, behavior changes Tips: Controlled substance — requires careful refill planning
Ethosuximide (Zarontin®)
Used for: Absence seizures Pros: Very effective for childhood absence epilepsy Common side effects: Stomach upset, fatigue Tips: Take with food to reduce nausea
Lacosamide (Vimpat®)
Used for: Focal seizures Pros: Well‑tolerated, available in liquid/tablet Common side effects: Dizziness, nausea Tips: Controlled substance — plan refills early
Cannabidiol (Epidiolex®)
Used for: Dravet syndrome, Lennox‑Gastaut syndrome, TSC Pros: Non‑sedating option for genetic epilepsies Common side effects: Diarrhea, appetite loss, elevated liver enzymes Tips: Regular lab monitoring required
General Tips for Parents & Patients
1. Give medications at the same time every day
Consistency keeps blood levels stable and prevents breakthrough seizures.
2. Never stop a medication suddenly
Stopping abruptly can trigger seizures. Always call us first.
3. Watch for side effects
Most are mild and improve over time. Contact us if symptoms are concerning.
4. Keep a seizure diary
Track seizures, triggers, sleep, and medication changes.
5. Plan ahead for refills
Request refills 3–5 business days before running out.
6. Use a pillbox or medication app
Helps prevent missed doses.
When to Call Us
Call our office during business hours if you notice:
- Increased seizures
- Concerning side effects
- Difficulty getting medication
- Questions about dosing or timing
Important:
Medication refills are not handled after hours. Please request refills during business hours or through your pharmacy.
When to Call 911
- Seizure lasts longer than 5 minutes
- Multiple seizures occur without recovery
- Breathing difficulty or cyanosis
- Injury during a seizure
- First‑time seizure
We’re Here to Support You
Managing epilepsy is a team effort. Our goal is to help families feel confident, informed, and supported every step of the way. If you have questions about your medication plan, we are always here to help.