Fig. 4From: Results of a Web-based survey of 2105 Greek migraine patients in 2020: demographics, clinical characteristics, burden and the effects of the COVID-19 pandemic on the course of migraineAnswers to the question: “How long does it take to get free from migraine after you receive a painkiller when it works?”. Differences between patients with “migraine” diagnosis from medical professional and patients with no official diagnosis but clinical migraine symptomsBack to article page