Research for three charities showed that many sufferers do not believe employers understand the impact the condition has.
The survey of more than 2,200 adults, most of whom have experienced migraine or know someone who has, found that seven out of 10 do not know that it can be classed as a disability under the Equality Act.
Arlene Wilkie at the Migraine Trust said: “While migraine appears to have touched the majority of people polled, the very debilitating and serious nature of the condition is still not recognised.
“The poll findings will strike a chord with many sufferers who have received inadequate backing from their bosses, schools and universities.”
Two-thirds of those questioned said employers don’t understand migraine or its effects on staff.

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Migraine affects one in five women and one in every 15 men.
Symptoms include disturbed vision, nausea, vomiting and sensitivity to light, sounds and smells.