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Details

CNS 1
antiepileptic,
10
Pharmacology
Professional
01/03/2012

Additional Pharmacology Flashcards

 


 

Cards

Term
Phenytoin
Definition
Na channel Blocker
Usage dependent and used for partial and generalized tonic-clonic seizures and status epilepticus
Toxicities: Nystagmus, diplopia, ataxia stupor, cerebellar syndrome, skin rash
increases OC metab-bad cause teratogenic
Term
Phenobarbital
Definition
Acts on GABA receptors to increase inhibtion
Used for partial and generalized seizures
Tox: drowsines, ataxia, vertigo
Term
Tiagabine
Definition
Increases the amount of GABA present
Tox: confusion, dizziness, sedation
Term
Vigabatrin
Definition
Increases amount of GABA present by inhibiting GABA transaminase (nonspecific)
TOX: sedation and fatigue, psychosis and depression
Term
Levetriacetam
Definition
Partial Seizures and maybe adjuvant for others
Typical linear dose increase
Tox: psychosis, hyperactivity and aggression maybe due to increased testosterone release
Term
Carbamazepine
Definition
Na channel Blocker
Usage dependent and used for partial and generalized tonic-clonic seizures
Tox: nausea, dizziness, coma, movement disorders
Term
Clonazepam
Definition
Acts on GABA R to increase inhibition
Used for myoclonic and abscense seizures
Tox: respiratory distess, ataxia, co/behav changes
increase in seizure freq
withdrawl effects
Term
Lorazepam
Definition
acts on GABA R and is a benzo
used for status epilepticus
Term
Ethosuximide
Definition
Ca Chennel Blocker (esp active Ca channels in hyprpolarized thalamic neurons)
Tx of choice in Abscense Seizures
Tox:dizzy, headache, lethargy
GI irritation, rash, BM suppression
Term
Valproic Acid
Definition
Multiple mechanisms including GABA syn/metab, NaChB, CaChB)
Used for oatial, Generalized tonic-clonic, absense, and myoclonic
Dose dependent protein binding
Tox: sedation ataxia, tremor, alopecia, wt gain, cognitive slowing and developmental delays, dyskinesias, teratogenic (neural tube defects)
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