DOCTORS have observed a surge in the number of people suffering an outbreak of hives this summer in Spain thanks to the higher than usual temperatures and repeated heatwaves.
Known as โheat urticariaโ, the skin condition involving the sudden appearance of bumps or welts can be dangerous as it can cause a drop in blood pressure.
โItโs caused by extreme temperatures in the street, beaches, swimming pools and in the workplace and produces welts and swelling along with a lot of itching,โ explained Dr Ignacio Garcia Nuรฑez, the head of allergology of Quirion’s hospital in Cordoba.

He warned: โPatients can suffer low blood pressure which is dangerous because this can cause dizziness and even loss of consciousness,โ he added.
He advises those who suffer an outbreak of hives to try and bring down their body temperature by cooling off in a cold bath.
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