CNS Flashcards

1
Q

What is first line in absent seizures?

A

Ethosuximde

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2
Q

What is the treatment for focal seizures?

A

2 Ls to get focussed : levetiracetam
Or lamotrigine

2nd line: carbamazepine, oxcarbazepine or zonisamide

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3
Q

assuming a man / woman is of child bearing potential, what drug are they given in tonic-clonic, myoclonic, tonic and atoning seizures ?

A

TC: lamotrigine / levetiracetam
Myoclinic : levetiracetam
Atomic: lamotrigine
Tonic: lamotrigine

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4
Q

What is status epilepticus?

A

A seizure >5 mins

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5
Q

What drugs are given for status epilepticus ?

A

IV Loraz if in hosp
Buccal Middaz / rectal Diaz if no resus facilities available

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6
Q

What is the treatment for status epileticus?

A

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

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7
Q

What are the 3 category 1 antiepileptics ?

A

3Ps C
Phenytoin
Primidone
Phenobarbital
Carbamazepine

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8
Q

What are category 3 antiepiletics ?

A

BELLT
birateracetem
Ethosuximide
levetiracetam
Lacosamide
Tiagabine
Vigabatrin

Pregablin
Gabapentin

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9
Q

What are category 2 anti epileptics?

A

Valproate
Lamotrigine
Oxcarbazepine
Clobazm
Clonazepam
Perampanel
Topiramate
Rufinamide

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10
Q

What drugs lower seizure threshold ?

A

Tramadol
Theophylline
Quinolones - floxacins
SSRIS

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11
Q

What anti epileptics is full pack dispensing required for

A

Sodium valpro

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12
Q

What are the side effects of valproate

A

VALPROATE
Vomitting / Vit D deficiency
Alopecia
Liver dysfunction+ toxicity
Pancreatitis
Reduced sodium
Oral disorders
Agranulocytosis
Teratogenic
Encephalopathy
Suicide

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13
Q

Which is the most teratogenic anti epileptic

A

Sodium valpro

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14
Q

How often is a PPP completed if on sodium valpro

A

Annually

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15
Q

what is the therapeutic range of carbamazepine

A

4-12mg/L

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16
Q

What is the therapeutic range of phenytoin

A

10/20mg/L

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17
Q

What are carbamazepine side effects

A

HANDBAG
Hyponatremia ,
Ataxia
Nystagmus
Drowsiness + depression + Vit D deficiency
Blurred vision + blood disorders
Arrhythmias
GI
Odesa

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18
Q

What are phenytoin side effects

A

SNACHED
Slurred speech
nystagmus
Ataxia
Confusion
Hyperglycaemia + hair (facial hair) +hepatotoxic
Double vision + depression

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19
Q

Which anti epileptic is most likely to cause encephalopathy?

A

Vigabatrin

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20
Q

Which anti epileptics are most likely to cause eye problems including glaucoma

A

Vigabatrin and topiramate

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21
Q

What should drivers do after a fit?

A

Stop driving- single incident = stop driving for 6 months

Established epilepsy = stop for 1 year

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22
Q

After a medication change how long should drivers wait?

A

6 months after last dose

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23
Q

What is the risk of topiramate in unborn babies?i

A

Cleft palate

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24
Q

Which antiepilepictis have a high presence in milk?

A

PELZ
Primidone
Ethosuximide
Lamotrigine
Benzos

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25
Q

If on anti epileptics should a mother breast feed ?

A

Yes - encouraged to do so

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26
Q

Which antiepileptics have a suicide risk?

A

Carbamazepine , phenytoin and valproate

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27
Q

Which antiepileptics have a suicide risk?

A

Carbamazepine , phenytoin and valproate

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28
Q

What is monitored while on valproate ?

A

LFTs

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29
Q

In which antieplileltics should we look out for signs of blood disorders ?

A

Carbemaz
Phenytoin
Sodium valpro

Topiramate
Ethosuximide
Lamotrigine
Zonisamide

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30
Q

Which anti epileptic is most likely to cause Steven Johnson syndrome ?

A

Lamotrigine

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31
Q

What are some general side effects of anti epileptics

A

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

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32
Q

Which antiepileptics can cause withdrawal in a baby who stops breastfeeding suddenly

A

Primidone
Phenobarbital
Benzos
Lamotrigine

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33
Q

What foods can cause migraine

A

Chocolate and wine

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34
Q

What is an aura

A

Visual (zig zags, flashing lights etc)
Sensory (pins and needles/numbnes)

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35
Q

How are Tristan’s taken for migraines?

A

Take as soon as HEADACHE part of migraine starts (not aura !!!!)
If it helps a bit then can have another after 2 hours (4 hours for naratriptan)

36
Q

When is naratriptan second dose given and under what condition?

A

After 4 hours and only if first one has helped at least a bit

37
Q

Who should NOT have Triptans?

A

Uncontrolled hypertension !!!

38
Q

What is a cluster headache

A

Intense unilateral pain 1 eye

39
Q

What is trigeminal neuralgia and how is it treated ?

A

Shock like pain in jaw / teeth / gums

  • carbamazepine
40
Q

What’s a tension headache and how is it treated?

A

tight band pain
Paracetamol

41
Q

What drug is used for migraine prophylaxis?

A

Propranolol

42
Q

Why should levodopa not be stopped abruptly?

A

Risk of NMS and rhabdomyolysis

43
Q

What are Levodopa side effects

A

Loss of appetite
Euphoric mood
Vomitting
Orthostatus hypotension
Daytime sleepiness
Oral disorders
Pathological gambling
Addiction

++ red urine

44
Q

What are the side effects of COMT inhibitors

A

Entaca = red brown urine
Tolcapone: hepatotoxic

45
Q

What are the side effects of cabergoline and brompcriptine?

A

CHEST

46
Q

What should be done if someone has off periods on levodopa?

A

Switch to MR

47
Q

What should be done if someone has off periods on levodopa?

A

Switch to MR

48
Q

How is hypotension treated in Parkinson’s?

A

Midodrine

49
Q

How is sudden onset of sleep treated in parkinsons

A

Modanifil

50
Q

What OTC medicine do MAOB inhibitors interact with

A

Phenylephidrine

51
Q

What are the 3 types of sleep disorders

A

Transient / short term / chronic

52
Q

How long should Z drugs be taken for (maximum)

A

4 weeks

53
Q

How soon does dependancy occur with Z drugs?

A

3-14 days

54
Q

What are Benzo side effects

A

SLEEPY
slurred speech
Loss of memory
Excitement
Emotional blurring
Physical dependence
Yawning

55
Q

What are Benzo side effects

A

SLEEPY
slurred speech
Loss of memory
Excitement
Emotional blurring
Physical dependence
Yawning

56
Q

Which benzos are long acting?

A

Diazepam
Nitrazepam
Flurazepam

57
Q

Which benzos are short acting and what Is the benefut / downfall?

A

Midazolam
Lorazepam
Temazepam

Less hangiver effect but more chance of withdrawal

58
Q

What is the dose of donperidone and metoclopramide ?

A

10mg TDS

59
Q

What anti emetic is use post op?

A

Ondansetron and Dez

60
Q

What is used for sickness in pregnancy

A

Diet / lifestyle
Then promethazine

61
Q

What is used for motion sickness

A

Hyoscone hydrobromode

62
Q

How long can domperidone be used for and in what age group?

A

ONE week and 12+

63
Q

What weight restriction does domperidone have?

A

35kg +

64
Q

What age group can use
Metoclopramide and how long for

A

18+ and 5days

65
Q

What is the best pain relief for an asthmatic

A

Paracetamol - NOT NSAID

66
Q

What bloods should be done for cloazapine

A

Leukocyte and neutrophils

67
Q

What is the age restriction for sumatriptan?

A

18+

68
Q

After fluoxetine is stopped how long should a patient wait before starting phenelzine?

A

5 weeks

69
Q

What are the side effects of donepezil

A

NMS

70
Q

what is the side effect of rivastigmine

A

GI

71
Q

What is a side effect associated with galantamine

A

SJS

72
Q

What drug class are midazolam and temazepam

A

Schedule 3

73
Q

How long does a fentynal patch last?

A

72 hours / 3 days

74
Q

When are ADHD meds prescribed by brand

A

When they are MR

75
Q

What drug class is methylphenidate

A

Schedule 2

76
Q

Who cannot have methylpehidate

A

Cardiomyopathy, CVD or hyperthyroid

77
Q

What are methylphenidate side effects?

A

Low weight
Low appetite
Tachycardia
Hypertension
Abnormal behaviour

78
Q

What is a sign of lisdexamfetimine toxicity

A

High then low

Hallucinations, sxcited, paranoid, wakefulness
THEN exhaustion, seizures, coma

79
Q

What antidepressant is given in someone who has had a heart attack?

A

Sertraline

80
Q

What antidepressant is given in someone who has had a heart attack?

A

Sertraline

81
Q

What antidepressant is given in children (ie under 18)

A

Fluoxetine

82
Q

At what point can you feel worse on antidepressants

A

1-2 weeks

83
Q

At what point can you feel worse on antidepressants

A

1-2 weeks

84
Q

How long should an antidepressant be trialled for

A

4 weeks, 6 in elderly

85
Q

What is the worst TCA in an overdose

A

Dosulepin

NEVER give amitriptyline and dosulepin together

86
Q

What cannot be given OTC with MAOIS

A

Psuedoephifrine

87
Q

Which benzos have a legal driving limit

A

COLD FT
Clonazepam
Oxazepamx
Lorazepam
Diazepam
Flunitrazepam
Temazepam