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59 Cards in this Set
- Front
- Back
what are the main inhibotory and excitatory neurotransmitters in the brain
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GABA and glutamate
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_____of GABA receptor will trigger seizure
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antagonists
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______of glutamate receptor will trigger seizure
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agonists
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drugs that enhance GABA ergic transmission will
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inhibit seizures
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glutamate recpetor antagonists will
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inhibit seziures
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what are the Na channel blockers
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phenytoin
carbamazepine lamotrigine zonisamide |
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T type ca channel bloskers
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ethosuximide
valproate trimethadione |
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post synaptically enhances gabaergic transmission
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benzodiazepines
barbiturates topiramate |
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presynaptically enhances the GABA ergic transmission
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tiagabine
vigabatrin gabapentin pregabalin |
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drugs that reduce glutamatergic transmission post synaptically
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phenobarbital
topiramate |
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presynaptically reduce glutamatergic transmisson
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gabapentin
pregabalin |
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drugs that block voltage gated na channels may contribute to the effects of which three drugs
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phenobarbital
valproate topiramate |
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inhibition of reuptake of GABA
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tiagabine
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inhibition of degradation of GABA
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vigabatrin: inhibits aminotransferase
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increases GABA release
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gabapentin
pregabalin |
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block glutamate receptors
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phenobarbital
topiramate |
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decrease glutamate release by blocking presynaptically voltage gated ca channels
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gabapentin
pregabalin |
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for simple and complex partial
and secondarily generalized tonic clonic seizures what is the first lien of drug |
phenobarbital
but now a second line due to AE of sedation, depression, agitation |
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for simple and complex partial
and secondarily generalized tonic clonic seizures How do the treartment begin |
caramazepine and its deravitives like:
oxcarbazepine or phenytoin valproate may also be considered. |
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drugs of choice for the tonic clonic seizures
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phenytoin
carbamazepine valproate |
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ethosuximide is the drug of choice for
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absence seizures
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Acetazolamide is used
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in the refractory cases of absence seizures
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if tonic clonic seizures develop in the case of absence seizures then
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drug of choice is valproate
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valproic acid is a drug of choice for
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myoclonic seizures
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which type of seizure is refractory to all tyoes of medicines
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atonic seizure
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what will happen if benzodiazepien is given in case of atonic seizure
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may improve seizure control in some patients and may worsen the attck in others.
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which drugs may be beneficial in atonic seizures
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valproate and lamotrigine
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what dugs to use in infants and young children
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corticotropin or corticosteroids
other drugs that can be used are valproic acid clinazepam: often tolerence develops. |
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in cases of febrile convulsions
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rectally diazepam
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status epilepticus
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diazepam and lorazepam
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drug induced seizures in nonepliptic patients can eb controlled with
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diazepam
lorazepam phenobarbital |
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approved for breakthu seizures
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diazepam rectal gel
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what are the common side effects for carbamazepine
phenobarbital and phenytoin |
induce cytochrome P450
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gingival hyperplasia
coarsening of facial features hirsutism |
side effects of phenytoin
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nystagmus
diplopia ataxia and o order elimination |
phenytoin
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aplastic anemia
agranulocytosis thrombocytopenia |
carbamazepine : and a skin rash
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what are the non pharmologoloical approaches to seizeures
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surgery : that part of the brainketogenic diet
vagus nerve stimulation |
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which ones are tetratgeneic
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phenytoin
carbamazepine valproate topiramate phenobarbital |
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associated with fetal hydantoin syndrome
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phenytoin
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associated with spina bifida
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valproate
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which ones have the highest risk of major malformations
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valproate and phenobarbital
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which drugs are most difficult to discontinue
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barbiturates and benzodiazepiens
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what is the most dangerous efeect of overdose of medcations
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respiratory depression
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carbamazepine is also used for
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triegminal neuralgia and bipolar disorder
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also used for bipolar disorder and migraine prophylaxis
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valproate
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used in postherpetic neuralgia
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gabapentin
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used in diabetic peripheral neuropathy
postherpetic neuralgia fibromylgia |
pregabalin
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migraine prophylaxis
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topiramate
valproate |
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inhibits the reuptake of GABA
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Tiagabine
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long term therapy assocaited with irreversible visual feild defects in 1/3rd ofthe patients
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vigabatrin
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fatal stevens johnson syndrome and toxic epidermal necrolysis have been reported
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zonisamide
oxcarbazepine |
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acute myopia and glaucoma
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topiramate
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stevens johnson syndrome and SLE
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ethosuximide
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rapid development of tolerence and paresthesias
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acetazolamide
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metabolixed to phenobarbital and phenylethylmalonamide
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primidone
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sedation
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benzodiazepines
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soulble prodrug of phenytoin for parentral use and is converted to phenytoin in plasma
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fosphenytoin
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life threatining rashes and including stevens johnson syndrome
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lamotrigine
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drugs that cause stevens johnson syndrome are
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ethosuximide
lamotrigine zonisamide oxcarbazepines carbamazepine |