Has anyone had success with Botox for migraines?

My doctor doesnt like any injections, as it's and all or nothing trial that you cant stop once it has entered your system. I had really bad response to Lupron. I had chemo 5 monthscearlier and a great side effect was huge reduction in migraines. Oncologist sold Lupron as possibly stopping my migraines completely. It was only supposed to be a single month dosage. But it totally backfired. It brought back daily migraines and stronger, meaner than before chemo. It was over 3 months before a single day without a migraine. I hear good responses. But hate the commercial where they misleading choose to advertise that 95%+- of current botox user wish they had asked their doctors sooner. No kidding. If it was terrible, they wouldnt be current botox users!!! Sorry i cant answer, but this is why i chose not to try it.