"I experienced a rare complication from my Botox injections for migraines," the 35-year-old wrote on Instagram. "It spread to muscles in my neck ... A few days after Hallock's initial post ...

Before your Botox injection, it may be helpful to avoid alcohol and stay hydrated. After your injection, be sure to follow any Botox aftercare instructions that your doctor provides. Headaches ...

Medically reviewed by Nicholas R. Metrus, MD Botox (onabotulinumtoxinA) is a preventive therapy for adults with chronic migraine, a debilitating neurological condition associated with frequent and ...

Individuals who are pregnant, have egg allergies, or a neuromuscular disorder are advised to avoid Botox. After treatment a few simple techniques may maximize the benefit and minimize side effects.