Antiseizure Flashcards
Repetitive movements
Paresthesias
Flashes of light
Ipsilateral cortical region
Simple partial
Affects the amygdala and hippocampus
Preceded by aura
Complex partial
Loss of consciouness
Partial seizures with secondary generalization
Sudden, short interruptions of consciousness, blank stares, lip smacking, rapid blinks and no aura
Petit mal
Absence
Brief muscle contractions
Associated with uremia or hepatic failure
Myoclonic seizures
Abrupt onset of muscle group
Loss of consciouness
Postictal disorientation
Grand mal
Generalized tonic clonic
These drugs are good for absence type
Ethosuximide and Valproate
For generalized tonic clonic and complex partial seizure
Phenytoin
Carbamazepine
Lamotrigine
These drugs bind to plasma proteins
Phenytoin
Tiagabine
Valproate
What specifically does phenytoin target
Inactivated state of Na channels
What are the therapeutic levels of phenytoin
10-20
300 starting
25-30 increments
What may increase phenytoin
OCP, quinidine, doxycycline, cyclosporine, methadone and levodopa
Long term use of phenytoin may lead to
Gingival hyperplasia, hirsutism, peripheral neuropathy
DoC of simple and complex partial grand mal
Carbamazepine
Non sedating
Used for trigeminal neuralgia
Bipolar for manic phase
Carbamazepine
What can increase the biotransformation of carbamazepine
Phenytoin Primidone Ethosuximide Valproic acid Clonazepam
What drug can increase blood levels of carbamazepine
Valproic acid
Most common side effects of carbamazepine
Diplopia
Ataxia
Blood dyscracias
Erythematous rash
Given for lennox gastuat syndrome
Lamotrigine
What drug can displace phenytoin
Valproic acid
Given for partial seizures and analgesics
Gabapentin
Pregabalin
MoA of BZD
Increase frequency of opening Cl channels
This drug will worsen absence type of seizure
Phenobarbital
Binds to SV2A
Levetiracetem