Neuro Disorder Association also called the National Institute of Neurological disorder defined chronic migraine to be a severe pulsing or throbbing pain in one area of the head.
However, Chronic Migraine is recognized by its pain and frequency of episodes ranging about 5 times and lasting for 4 - 72 hours if not treated.
It includes other symptoms such as:
- Nausea
- Vomiting, and/or
- Sensitivity to both light and sound.
Migraine sufferers frequently experience repeated episodes that are provoked by a variety of causes such as:
- Stress
- Worry
- Hormonal changes
- Bright or flashing lights, etc.
Learn more about Chronic Migraine here;
https://brainly.com/question/14974427
