A British man has suffered the first-ever diagnosed case of Brexit-induced psychosis

Mental health experts say people already suffering from anxiety are at risk of being "tipped over the edge" by mass coverage of big world events.

An anti Brexit protester stands outside the Houses of Parliament in London. Source: AAP

Three weeks after the Brexit referendum in 2016, a man in his 40's was brought to a UK emergency room by paramedics.

His wife had become concerned after he began spending more time on social media, stopped sleeping, experienced heightened stress about racism, and thought people were spying on him. Soon he became agitated and started throwing objects around his home.

According to his wife, the symptoms began after the Brexit referendum results had been declared on 24 June.

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