Botox for chronic migraine prevention is given as 155 units across 31 injection sites in seven muscle areas, including your forehead, temples, behind your ears, and the back of your neck and shoulders ...

Botox is FDA-approved 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 affects ...

After receiving an injection, some people experience symptoms at the injection site on the skin. This reaction is a common adverse effect of vaccines, Botox injections, biologics, and chemotherapy.