We all hate having migraines.
Some people with migraine have first signals for instance slurred or muddled speech, blind spots scotoma and nausea or vomiting.
At the end of the early symptoms, the second phase of symptoms follows loss of concentration, pins and needles, pain on one side (may swap sides),sensitivity to light, noise and smell or cold sensation. It's not the case that all symptoms have to be present.
A whole host of triggers can induce a migraine in migraine sufferers. For instance......