Epilepsy and HA Flashcards
carbamazepine
indications: CPS, GTCS, mixed seizure patterns; trigeminal neuralgia; Bipolar I
Hepatic inducer/autoinducer
Decrease HBC efficacy; preg cat D
Complex partial seizure
CPS; awareness of consciousness is impaired)
partial seizures
PS; awareness or consciousness is not impaired
generalized tonic-clonic seizure
GTCS; bilateral hemispheres
status epilepticus
SE
clobazam
indications: LGS; anxiety, alcohol withdrawal syndrome
Weak 3A4 inducer
Decreases HBC efficacy; preg cat C
ethosuximide
indications: absence
ezogabine
indications: PS (adjunctive)
felbamate
indications: GTCS, PS, LGS (adjunctive)
2C19 inhibitor; 3A4 inducer
Decreases HBC efficacy; preg cat C
fosphenytoin
indications: GTCS, PS, SE
Hepatic inducer
Decreases HBC efficacy; preg cat D
gabapentin
indications: PS (adj); pain, postherpetic neuralgia
lacosamide
indications: PS (adj)
lamotrigine
indications: GTCS, PS, LGS (adj); trigeminal neuralgia, bipolar I
HBC decreases efficacy of lamotrigine and lamotrigine decreases efficacy of progesterone-only OC; preg cat C
levetiracetam
indications: PS (adj), myoclonic, GTCS, primary GTCS
oxcarbazepine
indications: PS; bipolar I, trigeminal neuralgia
at doses greater than 1200mg: 3A4/5 inducer; 2C19 inhibitor
Decreases HBC efficacy at higher doses; preg cat C
perampanel
indications: PS (adj for ages > or equal to 12)
Decreases HBC efficacy at higher doses; preg cat C
phenobarbital
indications: GTCS, PS, SE, Myoclonic; insomnia
Hepatic inducer
Decreases HBC efficacy; preg cat D
phenytoin
indications: GTCS, PS, SE; trigeminal neuralgia
Hepatic inducer
Decreases HBC efficacy; preg cat D
pregabalin
indications: PS (adj); diabetic peripheral neuropathy, postherpetic neuralgia, fibromyalgia
primidone
indications: GTCS, PS; essential tremor
Hepatic inducer
Decreases HBC efficacy; preg cat D
rufinamide
indications: LGS (adj), PS
Weak 3A4 inducer; wear 2E1 inhibitor
Decreases HBC efficacy; preg cat C
tiagabine
indications: PS (adj)
topiramate
indications: 2 years and up: LGS (adj), PS, GTCS; migraine prophylaxis, neuropathic pain, essential tremor, weight loss
At doses greater than 200mg: inhibit 2C19; induce 3A4
Decreases efficacy of ethinyl estradiol at higher doses; preg cat D
valproate
indications: GTCS, PS, Absence; migraine prophylaxis, trigeminal neuralgia, bipolar
Hepatic inhibitor
HBC may decrease levels of valproic acid by 20%; preg cat D
vigabatrin
indications: refractory CPS (adj), infantile spasm
Mild 2C9 inducer
zonisamide
indications: PS (adj)
newly diagnosed partial seizures
first line: carbamazepine, gabapentin, lamotrigine, oxcarbazepine, phenobarb, toipramate, valproate, lacosamide (not in guidelines)
partial seizures (refractory)
first line: lamotrigine, topiramate, zonisamide
partial seizures (refractory adjunctive)
first line: gabapentin, lamotrigine, levetiracetam, oxcarbazepine, tiagabine, topiramate
generalized seizures
first line: lamotrigine, topiramate
absence seizures
first line: ethosuximide, lamotrigine
infantile spasms
fist line: vigabatrin (not in guidelines)
Lennox-Gastaut Syndrome
first line: rufinamide ( not in guidelines)
Cluster h/a
sudden, stabbing, unilateral, can occur during sleep, occur in clusters for weeks to months, then remission
Therapy: oxygen, triptans (first line), ergotamines, intranasal lidocaine
Preventative: short term: corticosteroid burst, methysergide, ergotamines. long term: verapamil, lithium, AEDs (gabapentin, topiramate, valproic acid), melatonin
Tension-type h/a
dull and bandlike pain, bilateral, attacks on 15 days/month or more
Therapy: analgesics, NSAIDs, combo (+/- caffeine)
Prevenative: TCAs, SSRIs, SNRIs, mirtazapine