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A member asked:
How does propranalol prevent migraines? by causing vasoconstriction? or by some other method? what would that be?
A doctor has provided 1 answer
Propranolol: Beta adrenergic blocker. They act by depressing the peripheral beta-adrenergic receptors that promote vasodilatation. Propranolol was discovered accidentally when a patient who was taking this medication for heart disease noticed that his migraine headaches ceased.
Answered 8/4/2015
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Related Questions
A member asked:
I have chronic migraines. I have tried various preventatives ( topamax, (topiramate) propranolol, amitriptyline, etc) and none work. What would you suggest next.
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Would propranolol be effective at widening blood vessels and relieving heart pain due to vasoconstriction? Or would other meds need to be added?
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How long does it take Topamax (topiramate) to work on migraine versus Propranalol extended release?
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Is propranolol worthwhile trying for migraine preventative? whats an effective dose?
4 doctors weighed in across 2 answers
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