CNS Flashcards
What is first line in absent seizures?
Ethosuximde
What is the treatment for focal seizures?
2 Ls to get focussed : levetiracetam
Or lamotrigine
2nd line: carbamazepine, oxcarbazepine or zonisamide
assuming a man / woman is of child bearing potential, what drug are they given in tonic-clonic, myoclonic, tonic and atoning seizures ?
TC: lamotrigine / levetiracetam
Myoclinic : levetiracetam
Atomic: lamotrigine
Tonic: lamotrigine
What is status epilepticus?
A seizure >5 mins
What drugs are given for status epilepticus ?
IV Loraz if in hosp
Buccal Middaz / rectal Diaz if no resus facilities available
What is the treatment for status epileticus?
IV loraz / buccal Midaz / rectal Diaz
Then if no response in 5-10 mins : give second dose
If no response after 2 benzos: levetiracetam / phenytoin / sodium Valpro
Still no response : phenobarbital/ general anaesthetic
What are the 3 category 1 antiepileptics ?
3Ps C
Phenytoin
Primidone
Phenobarbital
Carbamazepine
What are category 3 antiepiletics ?
BELLT
birateracetem
Ethosuximide
levetiracetam
Lacosamide
Tiagabine
Vigabatrin
Pregablin
Gabapentin
What are category 2 anti epileptics?
Valproate
Lamotrigine
Oxcarbazepine
Clobazm
Clonazepam
Perampanel
Topiramate
Rufinamide
What drugs lower seizure threshold ?
Tramadol
Theophylline
Quinolones - floxacins
SSRIS
What anti epileptics is full pack dispensing required for
Sodium valpro
What are the side effects of valproate
VALPROATE
Vomitting / Vit D deficiency
Alopecia
Liver dysfunction+ toxicity
Pancreatitis
Reduced sodium
Oral disorders
Agranulocytosis
Teratogenic
Encephalopathy
Suicide
Which is the most teratogenic anti epileptic
Sodium valpro
How often is a PPP completed if on sodium valpro
Annually
what is the therapeutic range of carbamazepine
4-12mg/L
What is the therapeutic range of phenytoin
10/20mg/L
What are carbamazepine side effects
HANDBAG
Hyponatremia ,
Ataxia
Nystagmus
Drowsiness + depression + Vit D deficiency
Blurred vision + blood disorders
Arrhythmias
GI
Odesa
What are phenytoin side effects
SNACHED
Slurred speech
nystagmus
Ataxia
Confusion
Hyperglycaemia + hair (facial hair) +hepatotoxic
Double vision + depression
Which anti epileptic is most likely to cause encephalopathy?
Vigabatrin
Which anti epileptics are most likely to cause eye problems including glaucoma
Vigabatrin and topiramate
What should drivers do after a fit?
Stop driving- single incident = stop driving for 6 months
Established epilepsy = stop for 1 year
After a medication change how long should drivers wait?
6 months after last dose
What is the risk of topiramate in unborn babies?i
Cleft palate
Which antiepilepictis have a high presence in milk?
PELZ
Primidone
Ethosuximide
Lamotrigine
Benzos
If on anti epileptics should a mother breast feed ?
Yes - encouraged to do so
Which antiepileptics have a suicide risk?
Carbamazepine , phenytoin and valproate
Which antiepileptics have a suicide risk?
Carbamazepine , phenytoin and valproate
What is monitored while on valproate ?
LFTs
In which antieplileltics should we look out for signs of blood disorders ?
Carbemaz
Phenytoin
Sodium valpro
Topiramate
Ethosuximide
Lamotrigine
Zonisamide
Which anti epileptic is most likely to cause Steven Johnson syndrome ?
Lamotrigine
What are some general side effects of anti epileptics
SLIM FAT CAT
Suicidal thoughts
Liver
Impaired bone health
Minor blood dysxasiaa
Folate deficiency
Acute psychotic (VTT)
Teratogen
Changes in weight
Antiepileptics hypersensitivity syndrome
Thrombocytopenia
Which antiepileptics can cause withdrawal in a baby who stops breastfeeding suddenly
Primidone
Phenobarbital
Benzos
Lamotrigine
What foods can cause migraine
Chocolate and wine
What is an aura
Visual (zig zags, flashing lights etc)
Sensory (pins and needles/numbnes)