September 2, 2009, MANY of the nearly 30 million Americans who suffer from migraines end up feeling like guinea pigs. Chronic patients — those who are laid low 15 or more days a month — often cycle through drug after drug in search of relief. They also contend with side effects like mental sluggishness and stomach upset. Treatment involves guesswork because doctors have not pinpointed what causes migraines, nor do they know which drugs will best help which patients.
“It can be a merry-go-round going from medication to medication in pursuit of control,” said Dr. Roger K. Cady, the vice president of the board for the National Headache Foundation, a nonprofit organization devoted to patient education. More