Experts warn that ROCKETING pollen counts and storms that hit Britain could trigger fatal "thunder fever" for millions.
People suffering from asthma and hay fever have been reported to report that rising temperatures and pollen counts together could create huge clouds of allergens in the coming days.
It is expected that the hot weather will increase the pollen count at least until the end of June holds.
Max Wiseberg, an airborne allergen expert, told the Daily Star: "The sheer volume of rain followed by sunshine could trigger a potential grass pollen crisis in the UK.
" Sunny, dry days could blow up huge pollen clouds blow up terrible hay fever for the millions of Britons living under this debilitating disease.
"which are forecasted next week, split up the grains and make them more allergenic, triggering a so-called thunder fever."
The Met Office's boffins have even warned that the storms will start tomorrow, while a "very high "pollen level above them is England and a" moderate "level in Scotland is expected this weekend.
And they are not the only ones to issue warnings – the Asthma Society of Ireland (ASI) also talked about the need for caution on Friday after research had suggested up to 8% of asthma sufferers were getting worse and worse from allergies ,
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Dr. Marcus Butler, medical director of ASI, told The Irish Times: "The treatment of asthma becomes more difficult in the summer months, with a long and sharp increase in pollen count, depending on the weather."  Grass pollen is expected to increase after Signs of an upcoming European heatwave were measured by meteorologists.
Colette Harris, a health consultant on asthma UK, advised asthmatics to have their inhalers with them in all cases of life-threatening asthma attacks.
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