Migraine Inducing Effect of Levcromakalim in Patients With Migraine With Aura

Inclusion Criteria: * Migraine with aura patients of both sexes. * 18-70 years. * 50-100 kg. Exclusion Criteria: * Headache less than 48 hours before the tests start * Daily consumption of drugs of any kind that investigator deems might affect study results or safety. * Pregnant or nursing women. * Cardiovascular disease of any kind, including cerebrovascular diseases. * Tension type headache (TTH) according to International Classification of Headache Disorders version 3 more than 5 times a month on average during the past year * Known cluster headache according to International Classification of Headache Disorders version 3. * Psychiatric disorder * Smoking or abuse of drugs or alcohol * Hypertension (systolic blood pressure \>150 mmHg and/or diastolic blood pressure \>100 mmHg) on day of inclusion. * Hypotension (systolic blood pressure \<90 mmHg and/or diastolic blood pressure \<50 mmHg) on day of inclusion.