From: A two years open-label prospective study of OnabotulinumtoxinA 195 U in medication overuse headache: a real-world experience
Discontinuations due to:
n = 29 (16.9 %)
OnabotulinumtoxinA indepent AEs
7 (4.1Â %)
Not effective
5 (2.9Â %)
Pregnancy
4 (2.3Â %)
Drop out
6 (3.5Â %)
Personal reasons