Will propranolol get rid of a migraine? Propranolol, a beta‐blocker, is one of the most commonly prescribed drugs for the prevention of migraine. This systematic review identified 58 trials, and these provide evidence that propranolol reduces migraine frequency significantly more than placebo.
When should I take propranolol for migraines?
For migraine headaches:
- For oral dosage form (long-acting oral capsules):
- For oral dosage form (solution):
- For oral dosage form (tablets):
Why do beta blockers help migraines? Beta-blockers reduce blood vessel dilation, which is known to contribute to migraine. Reduce nervous system electrical activity. Beta-blockers make the nervous system less excitable. They also suppress waves of electric currents that are thought to be a factor in migraine aura.
How long do beta blockers take to work for migraines? Drugs for migraine prevention, including beta-blockers, may not help right away. You’ll likely need to wait at least 8 weeks to see if there’s any improvement.