I hate having migraines.
Some people suffer from initial indicators such as dizziness, Visual disturbances and blind spots scotoma.
Once the initial symptoms clear, people also get loss of concentration, temporary numbness on the affected side, dehydration, thirst,cold sensation or pain on one side (may swap sides). It's not the case that all symptoms have to be present.
A ton of different things can cause a migraine in migraine sufferers. For instance......