We all hate having migraines.
Some people with migraine have early indicators for instance diarrhoea, blind spots scotoma and nausea or vomiting.
After those early symptoms go away, people also get loss of concentration, pins and needles, pain in the sinuses or neck,dehydration, thirst or sensitivity to light, noise and smell. It's not the case that all symptoms have to be present.
A ton of different things will precipitate a migraine in migraine sufferers. For instance......