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PTherapeutics I T2 Epilepsy Drugs
Epilepsy drugs
69
Pharmacology
Professional
04/03/2011

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Cards

Term
Which drugs are Preg Cat D?
Definition
Phenytoin, Phenobarbital, Carbamazepine, VPA, Topiramate, and Clonazepam
Term
Which drugs are Preg Cat C?
Definition
Ethosuximide, Oxcarbazepine, Felbamate, Gabapentin, Lamotrigine, Levetiracetam, Zonisamide, Tiagabine, Pregabalin, LacosamideRufinamide, Vigabatrin
Term
Which drug can cause hirsutism, gingival hyperplasia, coarsening of facial features, megaloblastic anemia, peripheral neuropathy, and osteopenia/osteoporosis?
Definition
Phenytoin
Term
What is the target concentration for Phenytoin?
Definition
10-20 mcg/mL
Term
CBC, EEG, LFT, MCV, serum albumin, and neuro function should all be monitored with which drug?
Definition
Phenytoin
Term
Which drug is a potent inducer whose dosage must be decreased with cimetidine and chloramphenicol?
Definition
Phenobarbital
Term
With alcohol, Phenobarbital's metabolism is (decreased/increased/unaffected).
Definition
increased
Term
Which drug may cause hyperactivity and delayed intellectual development in children, and may cause cognitive impairment in adults, rash, porphyria as well as sedation and depression?
Definition
phenobarbital
Term
Phenobarbital, when started (can be given at desired dose/should start low and titrated upward).
Definition
titrated upward
Term
Which drug primarily causes GI disturbances, with significant NV?
Definition
Ethosuximide
Term
If near saturation, what drug's metabolism is inhibited?
Definition
Ethosuximide
Term
Which drug features a time dependent PK and interacts with clarithromycin, lamotrigine, verapamil, diltiazem, and induces warfarin, BZDs and oral contraceptives?
Definition
CBZ
Term
CBC, LFT, lipids and urinalysis should be monitored in
Definition
CBZ
Term
which drug has a BBW of aplastic anemia, agranulocytosis, and rash (SJS)?
Definition
CBZ
Term
CBZ's target concentration is______
Definition
4-12 mcg/mL
Term
Which drug may cause Nystagmus, hepatotoxicity, hyponatremia, ataxia, tremor, gi upset, dizziness, ha and drowsiness?
Definition
CBZ
Term
Which drug(s) has/have an active metabolite
Definition
CBZ, Oxcarbazepine
Term
______ increases phenytoin, lamotrigine, ethosuximide and phenobarbital levels?
Definition
VPA
Term
CBC, LFT and serum ammonia should be monitored with____
Definition
VPA
Term
_____ has a BBW of hepatotoxicity, pancreatitis, teratogenicity
Definition
VPA
Term
VPA has a target concentration of_____
Definition
50 to 150 mcg/mL
Term
Which drug has AEs of alopecia, Polycystic Ovary Syndrome, Tremor, Encephalopathy, hyperammonemia, thrombocytopenia and weight gain?
Definition
VPA
Term
Which drug increases Phenytoin and phenobarb levels, decreases CBZ and lamotrigine levels, decreases oral contraceptive efficacy and interacts with VPA?
Definition
Oxcarbazpeine
Term
Which drug causes nystagmus, diplopia, hyponatremia, rash, ataxia and somnolence?
Definition
Oxcarbazepine
Term
Which drug is reserved fo genuine refractory epilepsy?
Definition
Felbamate
Term
Which drug increases VPA, phenytoin and CBZ-epoxide?
Definition
Felbamate
Term
Which drug has AEs of anorexia, NV and insomnia?
Definition
Felbamate
Term
Which drug has BBWs of aplastic anemia and hepatotoxicity?
Definition
Felbamate
Term
Which drug has AEs of weight gain (with chronic use) somnolence and ataxia?
Definition
Gabapentin
Term
This drug's bioavailability decreases as its dose increases?
Definition
Gabapentin
Term
Gabapentin's dosing (does/does not) need to be altered with creatinine clearance
Definition
does
Term
Lamotrigine's t1/2 is (unaffected/affected) by renal failure.
Definition
affected; increases.
Term
Which drug's t1/2 is increased by VPA, decreased by inducers, and will decrease VPA's Css by 25%?
Definition
Lamotrigine
Term
Which drug interacts with Oral contraceptives, CBZ and will alter VPA's levels?
Definition
Lamotrigine
Term
Which drug has AEs of diplopia, dizziness and ataxia?
Definition
Lamotrigine
Term
Which drug has BBWs of Rash (ie, SJS and Toxic Epidermal Necrosis)
Definition
Lamotrigine
Term
What is the dosing schedule for lamotrigine PTs on VPA?
Definition
first 1-2 wks: 25 mg every other day
wks 3-4: 25 mg/day
weeks 5 to maintenance: increase by 25-50 mg/d every 1 to 2 wks
Usual maintenance dose: 100-400 mg/d (in 1 or 2 divided doses); 100-200 mg/d with VPA alone
Term
What is the dosing schedule for lamotrigine PTs on VPA?
Definition
first 1-2 wks: 25 mg every other day
wks 3-4: 25 mg/day
weeks 5 to maintenance: increase by 25-50 mg/d every 1 to 2 wks
Usual maintenance dose: 100-400 mg/d (in 1 or 2 divided doses); 100-200 mg/d with VPA alone
Term
What is the dosing schedule for PTs on Lamotrigine and AEDs which ARE NOT CBZ, Phenytoin, Phenobarb, primidone or VPA?
Definition
wks 1-2: 25mg/d
wks 3-4: 50 mg/d
wks 5+: incr 50 mg/d q1-2wks
maintenance: 225-375 mg/d (in 2 divided doses)
Term
What is the lamotrigine dosing schedule for PTs on CBZ, Phenytoin, Phenobarb, primidone but NOT VPA?
Definition
wks 1-2: 50 mg/d
wks 3-4: 100 mg/d (divided)
wks 5+: incr 100mg/d q1-2 wks
maintenance: 300-500 mg/d in 2 divided doses
Term
Which drugs are renally eliminated and feature no interactions?
Definition
Levetiracetam Gabapentin
Term
Which drug(s) has/have AEs of asthenias, CNS effects, somnolence, and sedation?
Definition
Levetiracetam
Term
Which drugs are renally cleared?
Definition
Gabapentin, Levetiracetam, Topiramate, and Pregabalin
Term
Topiramate's concentration is decreased by 40% when interacting with______
Definition
CBZ
Term
Topiramate's concentration is reduced almost 50% when interacting with_____
Definition
Phenytoin
Term
Phenytoin's concentration is increased by 25% when interacting with ______
Definition
Topiramate
Term
Topiramate's concentration is decreased by 14% when interacting with______
Definition
VPA
Term
VPA's concentration is decreased 13% when interacting with_____
Definition
Topiramate
Term
Which drug features AEs of word finding difficulties, renal calculi, paresthesia, metabolic acidosis, nephrolithiasis, weight loss, impaired concentration, and dizziness?
Definition
Topiramate
Term
Which drug is a sulfonamide?
Definition
Zonisamide
Term
Zonisamide interacts with _____
Definition
PHT and CBZ
Term
Zonisamide's target level is _____
Definition
20-30 mcg/mL
Term
Which drug features AEs of oligohydrosis (in children) renal calculi, fatigue, somnolence and weight loss?
Definition
Zonisamide
Term
If CrCl is under 70, Topiramate's dosing should be______
Definition
halved
Term
Which drug may increase status epilepticus in non epileptics?
Definition
Tiagabine
Term
Which drug has AEs of asthenia, diarrhea, nervousness, dizziness and tremor?
Definition
Tiagabine
Term
Which drug is an analog of GABA?
Definition
Pregabalin
Term
Which drug has AEs of somnolence, dizziness and weight gain?
Definition
Pregabalin
Term
Which drug is metabolized extensively by the liver?
Definition
Clonazepam
Term
which drug has AEs of ataxia, behavioral changes (in children), tolerance, cognition/motor impairment and drowsiness?
Definition
Clonazepam
Term
which drug should be tapered when discontinued?
Definition
Clonazepam
Term
Which drug interacts with CBZ, phenytoin, and Phenobarb?
Definition
Lacosamide
Term
What affect will Phenobarb have on Lacosamide? What must be adjusted?
Definition
Lacosamide's levels are decreased; adjust lacosamide dosing
Term
Which drug should not be used in severe hepatic impairment?
Definition
Lacosamide
Term
which drug has AEs of Diplopia, HA, dizziness and nausea?
Definition
Lacosamide
Term
Which drug increases Phenytoin levels, decreases OC efficacy, and if taken with VPA, doses of both drugs should be reduced?
Definition
Rufinamide
Term
which drug causes somnolence, fatigue, gait and coordination problems, dizziness and ataxia?
Definition
Ruifnamide
Term
Vigabatrin decreases ____ levels
Definition
Phenytoin
Term
Which drug has AEs of Vision loss, MRI abnormalities, edema, anemia, peripheral neuropathy, somnolence and weight gain?
Definition
Vigabatrin
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