Having a migraine is a terrible experience.
Signs of a migraine attack are first symptoms for example nausea or vomiting, diarrhoea and dizziness.
After those early symptoms go away, other symptoms follow such as pain in the sinuses or neck, pain on one side (may swap sides), sensitivity to light, noise and smell,thumping or throbbing headache or temporary numbness on the affected side. Some of the symptoms may be absent.
A lot of different cues will precipitate a migraine in people who get migraines. For example...