MIGRAINES Flashcards
*Mild-Mod HA - treatments
ASA or NSAIDS
ASA/APAP/Caffeine (Excedrin)
APAP + isometheptene +dichloralphenazone (Midrin)
When are anti-emetics given for HA?
when N/V from HA or med used
- -> give 15-30 min prior
- ->can cause sedation
- ->Reglan, Chlorpromazine, Phenergan
Cabergoline, dihydroergotamine, ergonovine, ergotamine, ergotamine + caffeine, methylergonovine - class?
Non-Selective 5-HT1 Receptor Agonist
When are Non-selective 5-HT1 Receptor Agonists best use?
pre-headache/prodromal
–>no longer used in most patients for severe migraines due to SE
(“Ergos”)
Non-selective 5-HT1 Receptor Agonist pregnancy?
No, X…except Methergine (C)
*Acute Migraines - Treatment
NSAIDS/APAP
Selective 5-HT1 Receptor Agonists “Triptans”
best if used pre-HA
Sumatriptan (Imitrex), Zolmitriptan (Zomig), Eletriptan, etc - Class?
Selective 5-HT1 Receptor Agonists
Which triptan has the longest t1/2 (25 hrs)?
Frovatriptan (Frova)
If using a triptan, can you redose if HA comes back?
Yes, second dose OK but don’t keep giving.
DDI - most Triptans
MAO (do not take within 2 weeks)
Not frovatriptan and eletriptan
Triptans - clinical issues
chest pain/pressure - ?may look like cardiac emergency
Tablets are best tolerated with least SEs
Triptans - pregnancy?
Yes, C (safer than non-selective 5-HT1 receptor agonists)
NSAIDS for HA
Ketorolac (Toradol) IV,IM
Naproxen PO
Ketorolac (Spirix) Nasal
Opioids for HA
rarely used
reserved for severe, retractable
*addiction possibility
Which opioid for HA?
Stadol (Butorphanol) NS
When is Metoclopramide (Reglan) used for HA?
when N+V
OK for preg
Treatment options refractory HA
MgSO4
Valproic acid
Which blocks can be used for abortive treatment of HA?
lower cervical IM injection
Occipital nerve block (not if hx craniotomy)
Sphenopalatine ganglion block
Migraine prophylaxis
avoid precipitants
TCAs, propranolol, topiramate, varapamil, valproic acid, NSAIDS
Tension HA - treatment
treat underlying depression or anxiety disorder
NSAIDs/APAP/ASA
Cluster HA - treatment
Acute: sumatriptan (or other)
100% O2 (8-10L/min) x 10-15 min
or Sumatriptan + O2
Cluster HA - prophylaxis
Verapamil DOC
ergotamines, lithium, corticosteroids
Botox for migraines - MOA
prevents release of acetylcholine which binds to nicotinic receptors and causes contraction –> relaxes muscle
Methylergonovine AKA
Methergine