Headache Flashcards
Treats acute migraines
useful w infrequent n mild headaches ( wo nausea)
Excedrine
Ergot alkaloid
Methysergide
Act at alpha adrenergic, serotonergic, cns dopamine receptors
Methysergide
Most effective when given prodromal
Methysergide
Most effective when given prodromal-> dec inflammation, treats hyperprolactinemia
Methysergide
Treats postpartum hemorrhage- only used after delievery, not prophylactic
Methysergide
Abortive therapy for migraines
Methysergide
Int
Propanolol, macrolides
Methysergide
Int
Propanolol- vasoconstricts w pain n cyanosis
Macrolides- exacerbate ergot toxicity
Methysergide
Drug INT w Methysergide
Propanolol, macrolides
AD- hallucination, prolonged vasospasm, uterine SM contraction, Diarrhea, NV, fibrinoplastic changes, ergot poisoning-from ingesting infected grains
Methysergide
GI absorption is aided by caffeine
Methysergide
Selective serotonin agonists, similar to serotonin
Sumatriptan
Uses- acute migraine treatment w , wo aura
Sumatriptan
Int
Heart ds(should give to MI)- uncontrolled HTN, coronary heart ds,
ergot, MAOI’s, SSRI’S, -exacerbate prolonged vasospasm
CYP450 inhibitor- decrease triptan metabolism
Sumatriptan
AD- taste alteration, NV, chest tightness, neck pain, nasal discomfort, increase bp, tingling n m weakness, hot flashes
Sumatriptan
Simple and consistent but more selective, well established efficacy, less AD
Sumatriptan
Short DOA, so you need several doses
Sumatriptan
Zolmitriptan has been shown to be most potent agonist
- oral, subQ; significantly 1st pass effect
Also available in nasal spray
Sumatriptan
3 drugs of midrin
Isometheptene, dischlorphenazone, acetaminophen
Isometheptene- vasoconsticts
Dischlorphenazone- mild sedation
Acetaminophen- pain relief
Midrin
AD- NV, dizz, insomnia, transient numbness,
Midrin
To treat migraines for pt that doesnt take ergots
Midrine
Cons- less effective than ergot
Midrin
NMDA antagonist
Memantine
Blocks neuronal excitation( blocks migraine pain)
Memantine
Uses- migraine treatment and also AD treatment
Memantine
3 drugs of excedrine
Acetaminophen, aspirine, caffeine