It is very unpleasant having a migraine..
Common symptoms are early signals such as wavy lines, blind spots scotoma and diarrhoea.
Around the time of the initial symptoms, people also get cold sensation, dehydration, thirst, sensitivity to light, noise and smell,thumping or throbbing headache or inability to think clearly or perform normal activities. It's not the case that all symptoms have to be present.
Different triggers can induce a migraine in people sensitive to migraines such as...