Beta-blockers relax blood vessels throughout the body, which is why they are used for the management of hypertension. Beta-blockers reduce cerebral (brain) blood flow by directly acting on the blood vessels in the brain. Vasodilation (widening of the blood vessels) is associated with migraines.Click to see full answer. In this regard, how long do beta blockers take to work for migraines?It can take around three months to determine effectiveness. That can feel like a very long time in which you have little control, which is why we suggest looking into both prescription pain relief medication and research-backed home remedies.Similarly, how effective are beta blockers for migraines? A network analysis suggested that beta-blockers’ benefit for episodic migraines may be a class effect. For chronic migraine, propranolol was more likely to reduce headaches by at least 50% (RR, 2.0; 95% CI, 1.0-4.3). The effect began as early as 4 weeks, with migraines reduced by an average of 1.3 headaches per month. Just so, what does propranolol do for migraines? Propranolol belongs to a group of drugs called beta blockers. It is used in patients with heart problems to control high blood pressure or irregular heart beats. It is also used to treat certain types of vascular birthmarks. It is also used to prevent migraines and headaches.Do beta blockers cause migraines? High Blood Pressure and Heart Drugs For instance, beta-blockers, which doctors often prescribe to control blood pressure, can also slow down the brain cells linked to migraine. These include: Atenolol (Tenormin)
