AEDs Flashcards
Topiramate
Trade name: Topamax
Mechanism: VG Na channel inhibition, GABAa agonism, NMDA-glutamate antagonism
Seizure type: partial, GTC, absence
Side effects: weight loss, drowsiness, word-finding difficulties, cognitive impairment, kidney stones, angle-closure glaucoma
Gabapentin
Trade name: Neurontin
Mechanism: L-type VG Ca channel
Seizure type: Adjunct for partial seizures
Side effects: Fatigue, HA, ataxia
Hepatic enzyme inducers
Phenytoin Carbamazepine Phenobarbital Primidone Topiramate(>200mg/day) Oxcarbazepine
Hepatic enzyme inhibitors
Valproic acid
Ethosuximide
Trade name:
Mechanism: T-type Ca channel inhibitor
Seizure type: Absence
Side effects:
Phenytoin
Trade name: Dilantin
Mechanism: VG Na channel
Seizure type: Partial and GTC
Side effects: Hepatic failure, gingival hyperplasia, coarse facial features, nystagmus, ataxia, osteoporosis
Valproic acid
Trade name: Depakote
Mechanism: Na, T-type Ca channel inhibition and GABAa agonist
Seizure type: Everything
Side effects; Weight gain, PCOS, pancreatitis, thrombocytopenia
Carbamazepine
Trade name: Tegretol
Mechanism: Na channel inhibition
Seizure type: Partial
Side effects: Nystagmus, hyponatremia, dizziness, autoinduction
Oxacarbazepine
Trade name: Trileptal
Mechanism: Na channel inhibition
Seizure type: Partial
Side effects: Hyponatremia
Lacosamide
Trade name Vimpat
Mechanism: Enhancement of slow inactivation of VG Na channel, binds CRMP2
Seizure type: Adjunct for partial
Side effects:
Rufinamide
Trade name: Banzel
Mechanism: Prolongs inactive state of Na channels
Seizure type: LGS
Side effects: