WHAT IS MIGRAINE:
Attack lasting 4-72 hours, average 12 to 48 hours 
At least 2 of the following: 
Unilateral head pain 
Throbbing or pulsating [pulsating pain] quality 
Moderate to severe pain affecting ability to function 
Worsening of pain with routine activity 
At least one of the following:
Nausea and/or vomiting
Sensitivity to light and sound