Migraine and Blood Vessels

Key Points

• Blood vessels around the brain can dilate, causing pressure on the brain.
• This dilation can lead to migraines.
• Dilation pulls blood away from the brain affecting oxygen supply.
  • Results in paleness of the brain due to decreased oxygen.

Serotonin Receptors and Triptans

• Serotonin receptors: Important for controlling blood vessel dilation.
• Triptans: Bind to serotonin receptors causing vasoconstriction.
  • Vasoconstriction relieves pressure from the brain.
  • Restores normal color to the brain by increasing blood and oxygen flow.