What are the main symptoms of a migraine?
Throbbing pain (mod–severe), nausea, vomiting, photophobia, phonophobia.
Are migraines debilitating?
Yes, they can be very debilitating.
What often influences migraine occurrence?
Hormonal changes and family history.
What are the two primary forms of migraines?
Migraine with aura and migraine without aura.
Emotions
Stress, anxiety.
Foods
Tyramine (aged cheese, red wine), nitrates (cured meats), chocolate, MSG (canned soup, Chinese food), aspartame (diet sodas), yellow food dye.
Drugs
Alcohol, overused analgesics, caffeine (too much or withdrawal), cimetidine, cocaine, estrogens (e.g., OCPs), nitroglycerin.
Environmental
Flickering lights, loud noise, weather changes (humidity, temperature, barometric pressure).
Other
Hypoglycemia, altitude change.
What are the two treatment strategies for migraines?
Prevent attacks and abort ongoing attacks.
What drugs are used to abort a migraine?
Nonspecific analgesics (ASA-like drugs, opioids), and migraine-specific drugs (Triptans and Ergot alkaloids).
When is prevention recommended?
If the patient has 3 or more migraines per month.
What are nonpharmacologic methods for prevention?
Avoiding triggers, lifestyle changes, headache diary, relaxation exercises.
sumatriptan [Imitrex]
Causes vasoconstriction & reduces inflammation; aborts migraine; PO or intranasal.
AEs of sumatriptan
Chest symptoms (50%), coronary vasospasm, teratogenicity, vertigo, malaise, fatigue, tingling, bad taste (nasal).
Other Triptans
naratriptan (Amerge), rizatriptan (Maxalt), zolmitriptan (Zomig), almotriptan (Axert), frovatriptan (Frova), eletriptan (Relpax).
Ergotamine
2nd line treatment for migraines that don’t respond to triptans.
Risk with regular use
Physical dependence.
Toxicity – Ergotism
Convulsive (N/V/D, itching, spasms, paresthesia, HA, mania, psychosis, seizures) or gangrenous (vasoconstriction: finger/toe damage, edema, loss of sensation, possible tissue death).
What types of drugs are used for migraine prevention?
Drugs from many different classes.
What lifestyle adjustments help prevent migraines?
Avoiding triggers, using a headache diary, relaxation techniques, and regular routines.