Chapter 59: Migraine Flashcards
When should patients seek immediate medical attention for a migraine
HA accompanied by fever, stiff neck, rash, confusion, seizures, double vision, weakness, numbness, chest pain, SOB or aphasia (trouble speaking)
Which neurotransmitter may play a role in migraines
serotonin
changes in trigeminal nerve or imbalances of neurotransmitters
Treatment for menstrual-associated migraine (MAM)
monophasic oral contraceptives or estradiol patch or creams
Can use POPs for migraine with aura
Women who have migraine with aura are at higher risk for ____ and should avoid ____
stroke
estrogen-containing contraceptives (can use POPs)
Fluctuation in ___ can cause menstrual-associated migraine (MAM)
estrogen
Migraine diagnosis
At least 5 attacks fulfilling the following criteria:
- HA last 4-72 hrs
- Have ≥ 2 of the following: unilateral location, pulsating, mod-severe pain and aggravated by routine physical activity
- One of the following occurs during the HA: nausea &/or vomiting, photophobia, and phonophobia
Which natural products can be used for migraines
Caffeine, Butterbur, feverfew, magnesium, riboflavin
Which medication does Advil Migraine contain
Ibuprofen
Which medications does Excedrin Migraine contain
aspirin, acetaminophen, and caffeine
Naproxen brand name
Aleve
Rx options for acute treatment of migraine
serotonin receptor agonists (triptans)
Which pain meds are not recommended due to abuse/dependence issues
Opioids, butalbital-containing products, tramadol and tapentadol
Triptan MOA
5-HT1 receptor agonists and cause vasoconstriction of cranial blood vessels
First-line for acute migraine treatment
Triptans
When are triptans most effective
When used at first sign of a migraine
Rizatriptan brand name
Maxalt-MLT
Zolmitriptan brand name
Zomig ZMT
sumatriptan brand name
Imitrex
Sumatriptan oral dose can be repeated x1 after __ hrs
2
Sumatriptan SC dose can be repeated x1 after __ hrs
1
Zembrace SymTouch can be repeated how many times per day
4
Sumatriptan
Imitrex nasal spray can be used in one nostril and can repeat x1 after __ hrs
2
Onzetra Xsail powder should be used in
each nostril
Sumatriptan
Triptan CI
Cerebrovascular disease (stroke/TIA), uncontrolled HTN, ischemic heart disease, use within 24 hrs of another triptan
Triptan warnings
risk of increased BP, serotonin syndrome
Triptan SE
Paresthesia (tingling/numbness), triptan sensations (pressure or heaviness in the chest or pressure in the neck region)
Triptan nasal sprays contain how many doses
1 (do not prime)
How must Treximet (sumatriptan + naproxen) be dispensed
in original container
Maxalt-MLT, Zomig ZMT ODT should not be used in patients with
phenylketonuria
Which triptans are approved for children 12+
Almotriptan tabs, zolmitriptan nasal spray and Treximet (sumatriptan and naproxen)
Which triptan is approved for children and adolescents 6-17 years
rizatriptan
(Rize up/grow up taking rizatriptan)
Which triptan has the longest half-life
Frovatriptan
26h
Which 2 triptans are long-acting but have a slow onset
Frovatriptan and naratriptan
Preferred site for sumatriptan injections
Lateral thigh or upper arm
Which triptans come in ODT
Rizatriptan (Maxalt-MLT)
Zolmitriptan (Zomig ZMT)
Which triptans come in nasal spray
Sumatriptan (Imitrex)
Zolmitriptan (Zomig)
Which triptans come in nasal powder
Sumatriptan (Onzetra Xsali)
Which triptans come in SC prefilled syringe
Sumatriptan
Which triptans come in SC auto-injector
Sumatriptan (Imitrex STATdose System, Zembrace SymTouch)
Which triptans are CI with MAOi or within 2 weeks of stopping
Sumatriptan, rizatriptan and zolmitriptan
In patients with CI to triptans or who do not find benefit with triptans, which drug class can be used
Ergotamines
Dihydroergotamine brand name
DHE 45, Migranal
Dihydroergotamine formulations
Injection (IM/SC/IV), nasal spray
Ergotamine BW
CI with potent 3A4 inhibitors (e.g., protease inhibitors, azoles, macrolides) d/t serious and life-threatening peripheral ischemia
Ergotamine CI
Uncontrolled HTN, pregnancy, ischemic heart disease
Ergotamine warnings
cardiovascular effects (avoid in any pt with baseline risk, cerebrovascular events), drug interactions
Ergotamine nasal spray must be
primed by pumping 4 times
rimegepant and ubrogepant MOA
oral CGPR receptor antagonist
Rimegepant indication
both prevent and treat acute migraine
ubrogepant indication
to treat acute migraine attacks
which oral CGRP receptor antagonist is available ODT
rimegepant
oral CGPR antagonists are substrates of ____ and ____
CYP3A4 and pgp
CI with strong 3A4 inhibitors, not recommended with inducers
(rimegepant and ubrogepant)
lasmiditan MOA
serotonin agonist that is selective for the 5-HT1F receptor subtype
Lasmiditan DEA class
C-V
what’s in Fioricet
APAP/butalbital/caffeine
what’s in Fiorinal?
aspirin/butalbital/caffeine
butalbital is a ____
barbiturate
Fioricet and Fiorinal are available in combination with ____
codeine
When should a pt receive migraine ppx
If they use acute treatment ≥ 2 days/week or ≥ 3 times per month
Which meds can be used for migraine ppx
- BB (propranolol, metoprolol)
- Topiramate (Topamax) & valproic acid
- TCAs (amitriptyline has most evidence; or venlafaxine)
- Monophasic and extended cycle OCs for MAM if no aura
Propranolol brand name
Inderal LA, Inderal XL
Metoprolol tartrate brand name
Lopressor
Metoprolol succinate brand name
Toprol XL
BB warnings
Caution with bronchospastic diseases (COPD, asthma), especially with non-selective propranolol
BB side effects
bradycardia, fatigue, hypotension, dizziness, depression (more so with propranolol, the most lipophilic), impotence, can exacerbate Raynaud’s
Divalproate brand
Depakote, Depakote ER, Depakote Sprinkle
Topiramate brand
Topamax
Divalproex BW
fetal harm, hepatic failure
Divalproex SE
weight gain, thrombocytopenia, increased ammonia, alopecia
Topiramate warnings
fetal harm, metabolic acidosis, nephrolithiasis, increased ammonia, open angle glaucoma, oligohidrosis
Topiramate SE
Weight loss, somnolence, cognitive impairment
injectable CGRP antagonist examples
indication
eptinezumab (IV), Aimovig (SC), Avjoy (SC), Emgality (SC)
approved for prevention of migraine headaches
Botox is used for
chronic migraines only
≥15 headache days/month
To prevent Medication Overuse Headaches (MOH), educate patients to limit acute treatment medications to
2-3 times per week at most
How to use Onzestra Nasal Powder (counseling)
- Insert nosepiece deeply into first nostril. Rotate device to place mouthpiece into mouth
- Blow into the device with your mouth for 2-3 seconds to deliver medication into your nose