It is very unpleasant having a migraine..
Signs of a migraine attack are early signals like diarrhoea, numbness and blind spots scotoma.
After those early symptoms go away, people also get cold sensation, loss of concentration, dehydration, thirst,thumping or throbbing headache or pain in the sinuses or neck. It's not the case that all symptoms have to be present.
A ton of different things can induce a migraine in susceptible people such as...