Almost anything can trigger a migraine attack in a person predisposed to the condition.
A trigger may not cause an attack every time so patients can keep a detailed diary of the events before and during an incident, said Dr Jonathan Jia Yuan Ong, president of the Headache Society of Singapore and a consultant at the division of neurology at National University Hospital.
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A version of this article appeared in the print edition of The Straits Times on February 18, 2019, with the headline What triggers your migraines?. Subscribe