Botox was approved in 2010 to treat chronic migraine. You may have chronic migraine if you have 15 or more headache days per month that last at least 4 hours for at least 3 months. Chronic migraine ...

Botox (onabotulinumtoxinA) is a brand-name drug that’s prescribed for various conditions, including overactive bladder and excessive sweating, in adults and some children. Botox comes as an injection ...