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What causes postdrome phase?

The postdrome phase occurs as the very last phase of a migraine headache. The migraine is initiated by a change in the nervous system with the postdrome phase being the aftereffects of the headache. Since the postdrome phase leaves an individual with the feeling of a hangover, some researchers believe that it could be caused by irregular blood flow to the brain at the end of the headache. Others have proposed that some symptoms are caused by hormone production linked to the migraine. Some could also be caused by the migraine medications one takes during the headache.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.