Meets clinical criteria for onabotulinumtoxinA for chronic migraine (minimum of 2 days of disability per month due to facial or headache pain, or 8 headache days per month, or more than 15 headaches per month)
Scheduled for modified PREEMPT injections at the clinical site
You may not be if
Aged \< 18 years
Trigeminal neuralgia, cluster headache, or other primary headache disorders as dominant diagnosis
Not able to provide informed consent
Known allergy/hypersensitivity to lidocaine or amide anesthetics
Pregnancy/lactation
Inability to tolerate intranasal nasal cotton pledgets
