00 Epilepsy Study Questions Flashcards
Generic name of: Luminal
Phenobarbital
Generic name of: Dilantin
Phenytoin
Generic name of: Valium
Diazepam
Generic name of: Diastat
Diazepam (Rectal Gel)
Generic name of: Klonopin
Clonazepam
Generic name of: Tegretol
Carbamazepine
Generic name of: Epitol
Carbamazepine
Generic name of: Carbatrol
Carbamazepine
Generic name of: Depakene
Valproic Acid
Generic name of: Depakote
Divalproex Sodium
Generic name of: Depacon
Valproate Sodium
Generic name of: Neurontin
Gabapentin
Generic name of: Lamictal
Lamotrigine
Generic name of: Topamax
Topiramate
Generic name of: Trileptal
Oxcarbazepine
Generic name of: Oxtellar XR
Oxcarbazepine ER
Generic name of: Keppra
Levetiracetam
Generic name of: Lyrica
Pregabalin
What happens when Lamictal (Lamotrigine) is added to an AED regimen containing Valproate?
Dosing changes whether you are using an inducer or inhibitor
Petit Mal is known as what kind of seizure?
Absence
Grand Mal is known as what kind of seizure?
Tonic-Clonic
What is the DOC for absence seizure?
Ethosuximide (Zarontin) or Depakote is a good choice if that can’t be used
What is the therapeutic range for Carbamazepine?
4-12
What is the therapeutic range for Ethosuximide
40-100
What is the therapeutic range for Phenobarbital?
15-40
What is the therapeutic range for Primidone?
5-12
What is the therapeutic range for Phenytoin?
10-20
What is the therapeutic range for Valproic Acid?
50-150
What test is used to measure seizure activity?
EEG
After initial dosing has been initiated, which anticonvulsant requires higher doses to achieve the same effects after several days?
Carbamazepine d/t auto-induction
Which anticonvulsant should you avoid in sulfa allergy?
Zonisamide
Which anticonvulsant should you avoid in patients with a previous hypersensitivity reaction to carbamazepine?
Felbatol
Which voltage-dependent channels are inhibited by some AEDs?
Na+ and Ca2+
What does GABA stand for?
Gamma Amino Butyric Acid
What are some common drugs that decrease seizure threshold?
Caffeine, Anti-depressants (e.g., Bupropion), Tramadol (>400mg), Meperidine (use morphine instead), Anti-psychotics (Clozapine, Chorpromazine), Theophylline
What is the broad spectrum AED that can be used in almost all patients?
Valproate
What is Status Epilepticus?
Continuous grand mal seizures lasting at least 5 (up to 30) minutes, or two or more sequential seizures without full recovery of consciousness between seizure attacks. Medical emergency. CAN’T USE ORAL MEDICATIONS
What are the DOC’s for Status Epilepticus?
Diazepam (Valium, Diastat rectal gel) OR Lorazepam. Valproate sodium (Depacon) can always be used an an alternate
What are the DOC’s for Partial Seizures?
Carbamazepine. Valproate as an alternative
What are the DOC’s for Tonic-Clonic Seizures?
Valproate OR Carbamazepine
Which AEDs can cause Hyponatremia?
Oxcarbazepine, Carbamazepine
Which AEDs can cause Hyperammonemia?
Valproic Acid
Which AEDs can cause Pancreatitis?
Valproic Acid
Which AEDs can cause Polycystic Ovaries?
Valproic Acid, Carbamazepine
Which AEDs can cause Fatal Aplastic Anemia?
Felbamate
Which AEDs can cause Kidney Stones?
Zonisamide, Topiramate
Which AEDs can cause Gingival Hyperplasia?
Phenytoin
Which AEDs can cause SJS?
Lamotrigine
Which AEDs can cause Hiccups?
Ethosuximide
Which AEDs can cause Purple Glove Syndrome?
Phenytoin
Which AEDs can cause QTc Prolongation?
Ezogabine
Which AEDs can cause Urinary Retention?
Ezogabine
What are the C-IV AEDs?
All benzos, Phenobarbital, Mephobarbital
What are the C-V AEDs?
Pregabalin, Lacosamide, Ezogabine
What are the AEDs that can have loading doses?
Fosphenytoin, Phenobarbital, Valproate Sodium
What are the AEDs that are big enzyme inducers?
Carbamazepine, Oxcarbazepine, Phenytoin, Fosphenytoin, Phenobarbital, Primidone, Topiramate (> 200mg)
When would be a time when Valproic acid would not be an appropriate choice?
Hepatic impairment
How does Oxcarbazepine compare to Carbamazepine?
Oxcarbazepine is advantages over CBZ in every way except that it causes hyponatremia
Why does Carbamazepine have so many SEs?
Because it is metabolized into 10,11-epoxide
How does Phenytoin compare to Fosphenytoin?
Phenytoin: infuse at 50mg/min in saline only. Fosphenytoin: infuse at 150mg/min in saline or dextrose
What pregnancy category do most AEDs fall into?
Category D
What are the Pregnancy Category D AEDs?
BZDs, Phenobarbital/primidone, VPA, Carbamazepine, Phenytoin/Fosphenytoin, Topiramate
What patients need to be screened before CBZ?
Asian descent for the HLA-B*1502 gene
When should you dose adjust Phenobarbital?
Decrease dose in renal or hepatic dysfunction
What seizure type must Phenytoin be avoided in?
Absence seizures
When is Phenytoin contraindicated?
Heart issues (2nd or 3rd degree AV block, sinus bradycardia, sino-atrial block)
What is the generic of Onfi?
Clobazam (Benzo)
What genetic polymorphism should be identified for Clobazam users?
CYP 2C19, polymorphism causes higher levels of drug, need to lower dose
What is the BBW for Valproate?
Hepatotoxicity, Teratogenicity, Pancreatitis
What is Stavzor?
Delayed-release capsules of Valproate
What is the BBW for Lamotrigine?
Life-threatening rashes. Slow gradual titration of dose may reduce the incidence
What do you need to advise patients who are going to start Topiramate?
Increase fluid intake to decrease risk of kidney stones
What is the generic for Oxtellar XR?
Oxcarbazepine extended release tabs
What are the drug interactions like with Keppra?
None clinically important, not metabolized by CYP450
What is the generic of Sabril?
Vigabatrin
What is Vigabatrin indicated for?
Refractory Epilepsy Infantile Spasms (IS)
What is the BBW for Vigabatrin?
Causes progressive and permanent bilateral concentric visual field constriction in a high percentage of patients (REMS program)