what if you had fewer headaches and migraines a month? botox® prevents headaches and migraines before they even start. botox® is for adults with chronic migraine, 15 or more headache days a month, each lasting 4 hours or more. botox® injections take about 15 minutes in your doctor's office and are covered by most insurance. effects of botox® may spread hours to weeks after injection causing serious symptoms. alert your doctor right away, as difficulty swallowing, speaking, breathing, eye problems, or muscle weakness can be signs of a life- threatening condition. side effects may include allergic reactions, neck and injection site pain, fatigue, and headache. don't receive botox® if there's a skin infection. tell your doctor your medical history, muscle or nerve conditions, and medications, including botulinum toxins, as these may increase the risk of serious side effects. having headaches and migraines more than half the month? it could be chronic migraine. text track to 50334 for our migraine tracker, then talk to your doctor. stimulant laxatives forcefully stimulate i switched to miralax for my constipation. the nerves in your colon.