Received: 6 October 2020
Accepted: 22 October 2020
First Online: 29 October 2020
Ethics approval and consent to participate
: This is a prospective audit of patients treated at a tertiary headache centre in a real-life setting. Ethical approval was not required as the treatment given was based on the clinical needs. The clinical care did not involve anything being done to patients beyond their normal clinical management. The choice of whether to continue or stop onabotulinumtoxinA was made by the patient after careful and detailed counselling and appraisal on the risk-benefit evaluation. Patient, however, did sign a disclaimer that a formal appraisal had taken place and was documents in patients’ notes.
: Not applicable.
: Fayyaz Ahmed has received honorarium for being on the advisory board of Allergan, Novartis, TEVA, Eli Lilly, Electrocore, Eneura paid to the charitable organisations i.e., British Association for the Study of Headache (BASH), Migraine Trust (MT) and Anglo-Dutch Migraine Association (ADMA).Ho-Tin Wong and Modar Khalil have no competing interests to declare.