Headaches Flashcards
Name some medicines that may trigger migraines.
OCPs, nitrates, nifedipine
What is the 1st line of choice for mild to moderate migraine?
Which patients may this not be appropriate for?
NSAIDS and acetaminophen/caffeine/ASA combo
- PUD, renal dz, MI or stroke patients
Why aren’t opioids used as often as other meds for abortive therapy of migraines?
When might you consider them?
- Dependency
- Rebound HA risk
- Not has effective and may render other meds ineffective
- refractory cases during pregnancy
In patients who do not respond to first line treatment of migraines, what is your first choice of therapy? How do they work?
Triptans - serotonin agonist that vasoconstricts intracranial arteries and blocks pain pathway in brainstem.
What are the AEs of triptans?
- Paresthesias, fatigue, dizziness
- Chest symptoms
- Should not be combined with other serotonin agonists
Name the contraindications for triptans.
- Vasoconstriction - hx of MI, uncontrolled HTN, stroke
2. Cannot be combined with MAOIs.
What is the longest acting triptan?
Frovatriptan
T or F. Sumatriptan comes in a variety of forms.
T - SQ, Nasal, PO
Name another migraine abortive therapy other than triptans. How do they work?
Ergot alkaloids and derivatives.
Similar mechanism to triptans - serotonin receptor agonist.
What is the rare AE for ergots?
Ergotism - peripheral ischemia that can lead to gangrene
Contraindications to ergots?
- Hepatic and renal failure
- PV disease
- Sepsis
- Pregnant or nursing
- use of triptan in last 24 hr
What is the most common ergot?
Dihydroergotamine (DHE) - nasal spray
When might steroids be used to treat migraines?
Status migrainosis
To avoid recurrence
What antiepileptic is used as abortive therapy for status migrainosis?
IV VPA
What are 5 options for preventative therapy for migraines? What are the contraindications to each?
- . Propranolol/Timolol - asthma or depression
- Amitriptyline - mania
- Ca Channel Blockers (Verapamil) - depression
- Antiepileptics - liver disease
- Botox