Is it true that a migraine be a symptom to an allergic reaction?

Yes but... Migraine is a complex cascade of neurologic symptoms, the most prominent being the pain. Other effects of migraine include vision changes, loss of muscle control, changes in normal mental function. Migraine is triggered by a long list which can include medications, foods, environmental stimuli, the usual triggers are not true allergies, but an allergic reaction can be happening at the same t.