Webmd Botox Side Effects 2024. Headaches, which end in 24 to 48 hours, can happen, but this is rare. Find 32 user ratings and reviews for botox cosmetic (onabotulinumtoxina) on webmd including side effects and drug interactions, medication effectiveness, ease of use and satisfaction

The most common side effects of botox for migraine are neck pain, muscle weakness, eyelid ptosis, and headaches. What can i do to prevent and manage side effects?