Anti-Seizure Medication and Their Side Effects

BRAND NAME
(generic name)
POSSIBLE SIDE EFFECTS
ATIVAN
(lorazepam)
Drowsiness, sleepiness, fatigue, poor coordination, unsteadiness, behavior changes
BANZEL
(rufinamide)
Drowsiness, attention difficulty, headache, fatigue, loss of appetite, vomiting, dizziness, irritability, itchiness, stomach pain
CARBATROL
(extended release carbamazepine)
Dizziness, drowsiness, blurred or double vision, nausea, skin rashes, abnormal blood counts (rare)
DEPAKENE
(valproate)
Upset stomach, altered bleeding time, liver toxicity, hair loss, weight gain, tremor
DEPAKOTE
(divalproex sodium)
Upset stomach, altered bleeding time, liver toxicity, hair loss, weight gain, tremor
DEPAKOTE ER
(extended release divalproex sodium )
Hair loss, upset stomach, tremor, altered bleeding time, liver toxicity, weight gain, headaches, drowsiness, dizziness, blurred or double vision, twitching
DIAMOX
(acetazolamide)
Appetite loss, frequent urination, drowsiness, confusion, extremity numbness, kidney stones
DIASTAT ACUDIAL
(diazepam rectal gel)
Drowsiness, sleepiness, fatigue, poor coordination, unsteadiness, behavior changes
DILANTIN
(phenytoin)
Clumsiness, insomnia, motor twitching, nausea, rash, gum overgrowth, hairiness, thickening of features
FELBATOL
(felbamate)
Anorexia, vomiting, insomnia, nausea, headache, liver and blood toxicity
GABITRIL
(tiagabine)
Tremor, dizziness, nervousness, difficulty concentrating, sleepiness, weakness
HP ACTHAR GEL
(ACTH [adrenocorticotropic hormone])
Insomnia, increased appetite, weight gain, irritability, fluid retention
KEPPRA
(levetiracetam)
Sleepiness, fatigue, poor coordination, loss of strength, dizziness
KLONOPIN
(clonazepam)
Drowsiness, sleepiness, fatigue, poor coordination, unsteadiness, behavior changes
LAMICTAL
(lamotrigine)
Dizziness, headache, blurred vision, clumsiness, sleepiness, nausea, skin rash
LYRICA
(pregabalin)
Weight gain, blurred or double vision, dry mouth, difficulty concentrating, dizziness, swelling of hands and feet, sleepiness, drowsiness
MYSOLINE
(primidone)
Clumsiness, dizziness, appetite loss, fatigue, drowsiness, hyperirritability, insomnia, depression, hyperactivity (children)
NEURONTIN
(gabapentin)
Sleepiness, dizziness, clumsiness, fatigue, twitching
PHENOBARBITAL
(phenobarbital)
Drowsiness, irritability, hyperactivity (children), behavioral problems, difficulty concentrating, depression
SABRIL
(vigabatrin)
Vision loss, abnormal MRIs, anemia, sleepiness, numbness of extremities, weight gain, swelling, hyperactivity
TEGRETOL
(carbamazepine)
Dizziness, drowsiness, blurred or double vision, nausea, skin rashes, abnormal blood counts (rare)
TEGRETOL XR
(extended release carbamazepine)
Dizziness, drowsiness, blurred or double vision, nausea, skin rashes, abnormal blood counts (rare)
TOPAMAX
(topiramate)
Confusion, sleepiness, dizziness, clumsiness, difficulty thinking or talking, tingling sensation of the skin, nausea, decreased appetite
TRANXENE
(clorazepate)
Drowsiness, sleepiness, fatigue, poor coordination, unsteadiness, behavior change
TRILEPTAL
(oxcarbazepine)
Difficulty concentrating, sleepiness, fatigue, dizziness, double vision, nausea, unsteadiness, rash
ZARONTIN
(ethosuximide)
Appetite loss, nausea, drowsiness, headache, dizziness, fatigue, rash, abnormal blood counts (rare)
ZONEGRAN
(zonisamide)
Sleepiness, dizziness, loss of appetite, headache, nausea, irritability, difficulty concentrating, unsteadiness, fever, kidney stones, rash (should not be used in individuals allergic to sulfa drugs)
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