Categorías: Todo - therapy

por Felicia MedStudent hace 16 años

309

Migraine Treatment

The discussed treatments for migraines include both acute and prophylactic therapies. Acute treatments aim to stop a headache episode and involve ergot derivatives, which work by constricting blood vessels and reducing inflammation.

Migraine Treatment

Migraine Treatment

Adjunctive Treatments

Antiemetics
Metoclopramide

Prophylactic/Preventive Therapy

w/ coexisting HTN, tremor
Propranolol

beta-adrenergic blocker

Raynaud's

depression

CHF

AV block

w/ coexisting depression or "fibromyalgia"
Amitriptyline

antidepressant

MOA: Blocks uptake of seratonin

takes 2-3wks for effect!!

asthma

CV disease

urinary retention

glaucoma

dry mouth

weight gain

sedation

w/ coexisting Prinzmetals or Raynaud's
Verapamil

Ca-Channel blocker

Contraindications

heart block

hypotension

constipation

w/ severe refractory migrane
Methysergide

MOA: Serotonin antag.


  • so it blocks the 1st phase of a migrane
  • reserved for severe refractory migranes
  • give pt a drug holiday for 3-4wks q 6mo
  • dose should be reduced gradually to prevent rebound headaches
  • Contraindications:

    peripheral or cerebral vascular dz

    reversable fibrosis

    Acute/Abortive Therapy

    to eliminate or terminate a HA episode

    Triptans
    Sumatriptan

    high rate of recurrence

    Ergot Derivatives

    MOA: serotonin agonists

  • suppress neurogenic inflammation and cause vasoconstriction (2nd phase of migrane)

  • inhibit release of peptides that cause vasodilation, neuro inflammation, and pain
  • stimulate 5HT receptors in brain to prevent activation of CN 5
  • contraindications:

    peptic ulcer

    angina

    HTN

    pregnancy

    CAD

    peripheral vascular dz

    if in ER or office setting

    Dihydroergotamine

  • IV, IM, nasal spray
  • extensive first pass metabolism!!
  • crosses BBB and binds to dorsal raphe nucleus ("migrane generator") -- the 2nd phase of a migrane
  • low reccurence rate
  • N/V

    if prescribing for pt. use

    Ergotamine

  • tablet, suppository, IV
  • overdose:

    "Ergotism"

    basicaly: cuts off blood supply to extremity

    gangrene

    periphral vasc insufficiency

    vasospasm

    extremity parasthesia

    diarrhea

    epigastic distress

    severe N/V

    Analgesics

  • initial line of defense against mild-moderate migraine
  • effervescent prep more effective d/t rapid absorbtion
  • contraindications

    active ulcer dz

    AE:

    ulcer

    dyspepsia

    n/v

    Ibuprofen
    Acetaminophen
    Aspirin