The Effects of Expectation and Knowledge on Rizatriptan and Placebo Treatment of Acute Migraine Headache

Inclusion Criteria

• •Patients will be considered for this study if they suffer from classical or common migraine for at least 3 years.
• •Candidates will recruited from the clinical case load of Dr. Zahid Bajwa and the headache and pain management center at BIDMC.
• •Only patients older than 18 years of age,
• •Able to communicate clearly in English,
• •Able to give an informed consent will be considered as candidates.
• •No limitation of gender or race is justified and thus, it is open to all patients fulfilling criteria for migraine type headache.
• •Patients will be able to withdraw from the study at any time.
• •They will be included in the study if they meet the criteria for migraine with or without aura (Headache-classification-committee-of-the-International-Headache-Society 1988), if they had \>4 migraine attacks each month for the previous year.