Pharm for HA, Cohen Flashcards

1
Q

chronic pain

A

continuing pain >6 mo

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2
Q

patients with headaches need what besides pain relief

A

explanation for the HA

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3
Q

Treatment for HA depends on

A
frequency attacks and severity
presence and degree of disability
assoc symptoms
prior response to meds
comorbid and coexistant conditions
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4
Q

migraine criteria

A

> 5 attacks lasting 4-72 hours
2: unilateral, pulsating, mod-severe, aggravated by routine activity
1: nausea and/or vomiting
photophobia and phonophobia
no evidence on Hx or examination of disease that may cause HA

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5
Q

Tx of migraine attacks

A

OTC meds
migraine specific meds from doc
caffeine, including dark chocolate or cola drinks
getting some sleep

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6
Q

when are triptans taken usualy

A

few hours after begining of migraine

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7
Q

what R do triptans work on

A

5GT1B 1D and1F

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8
Q

what newer triptans have better effect and fewer side effects

A

rizatriptan

electriptan

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9
Q

CI triptans

A

coronary artery disease of cerebral vascular disease

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10
Q

half life triptans

A

<4 hours

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11
Q

what medicaiton for HA can increase BP

A

ergotamine

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12
Q

what is a drug used IV or IM for migraines acutely

A

dihydroergotamine DHE

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13
Q

half life DHE

A

9 hours

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14
Q

what dopamine blockers are used for migraine

A

haloperidol

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15
Q

what drug is common in ED for migraine to avoid opioid use

A

antihistamine

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16
Q

future of migraine medication

A

long acting monoclonal Ab to CGRP

for preventative migraines

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17
Q

when do we start Txing prophylactically for migraines

A

when patient cannot go a week between migraines

insufficient relief from abortives

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18
Q

what are great preventative migraine meds and what do they have in common

A

amitriptyline, propanolol, topiramate

Na channel blockers!

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19
Q

what are good preventative migraine drugs

A

gabapentin, zonisamide

20
Q

which drugs are FDA approved for migraine prevention

A

propanolol, topiramate

valproic acid

21
Q

half life propanolol

A

4-6 hours
needs to be taken 3x day
there are long acting formulations

22
Q

CI propanolol

A

relative in asthmatics or CHF or bradycardia from heart blocks

23
Q

effects amitryptyline

A

antihistamine

very anticholinergic!

24
Q

dosing amitriptyline

A

low dosese in evening

25
side effects amitriptyline
tachyarrhythmias can cause suicide from overdose weight gain
26
topiramate is FDA approved for what
prevention seizures and migrains
27
half time topriamate
18-20 hours | take at bedtime
28
side effects topiramate
"dopamax" because can cause difficulties with speech and cognition anorexia and weight loss loss of sensation in arms changes in serum acidity and Ca solubility
29
MOA valproic acid
blocking Na Ch and effects of gamma aminobutyric acid
30
valproic acid is FDA approved for
migraine prevention epilepsy bipolar disease
31
half life valproic acid
10-20 hours | needs to be given at least 2x day
32
side effects valproic acid
weight gain, lowering of platelet counts, tremor and hair loss
33
when was botulinum toxin aproved for migraine prevention
2010
34
how is botulinum toxin injected
many sites in scalp every 3 mo
35
mech botulinum
inhibit Ach release and inhibit sensory neurons
36
what are comorbidities with tension type HA
``` HTN depression anxiety insomnia DM/hypoglycemia other sources of pain ```
37
what are prophylactic drugs for tension type HA
amitriptyline protriptyline topiramate
38
abortive Tx cluster HA
sumatriptan injeciton sumatriptan or zolmitriptan nasal sprays high dose O2 nasal viscous lidocaine
39
prevention for cluster HA
almost always necessary verapamil may cause hypotension constipation lithium-- so dangerous in suicidal patients, also cause renal and thyroid disease prednisone- works fask with many side effects limiting to only use in season of cluster if season is not very long
40
drug R patients with cluster HA need what Tx
deep brain stimulation | implanted occipital nerve stimulator
41
patient takes aspiring every day for HA
need to stop pain medication because thats causing it | plus with these pain pills preventative drugs will not work!!
42
imagin trigeminal nerualgia
MRI
43
Tx trigeminal neuralgia
carbamazepine first DOC | gabapentin or phenytoin
44
if drug Resistant to trigeminal neuralgia
radiological or surgical ablation of trigem nerve via gamma knife, injection of glycerol or electrical ablation
45
down side to surgical ablation trigem nerve
permanent facial numbness