I hate having migraines.
Some people with migraine have early symptoms such as nausea or vomiting, Visual disturbances and diarrhoea.
After those early symptoms go away, other symptoms follow such as temporary numbness on the affected side, lack of co-ordination, pain on one side (may swap sides),sensitivity to light, noise and smell or dehydration, thirst. It's not the case that all symptoms have to be present.
Different triggers can induce a migraine in migraine sufferers. For instance......