Botox is a preventive treatment, which means it works to reduce migraines from occurring. It won't necessarily eliminate them altogether, so if you do get a migraine, you can take medication to reduce pain once a headache or migraine has already begun. At Cosmedics, all Botox treatments are carried out by medically qualified doctors or surgeons. You can discuss your medication in full with them during your consultation prior to treatment. They will be able to advise what to do if a migraine occurs while you are on Botox treatment.