What is thunderstorm asthma and why it strikes 'suddenly and severely'

What is thunderstorm asthma and why it strikes 'suddenly and severely'Thunderstorm asthma can come on quickly and be serious, even in people who do not normally sufferCommentsNewsElaine Blackburne Network Content Editor04:30, 15 Apr 2026View 3 Images'Thunderstorm asthma' can be sudden and severe(Image: Getty)As spring arrives it brings with it pollen which can make life a misery for thousands of people. According to the Met Office this week will see mixed levels of pollen with very high levels in parts of the country on some days.‌And this can lead to hay fever for some people leaving them coughing, sneezing and with their eyes running. Hay fever is an allergic reaction to pollen, a fine powder produced by certain plants.‌Symptoms typically occur when the pollen comes into contact with your mouth, nose, eyes and throat. Whilst tree, grass and weed pollen are well-known irritants, everyday elements can unexpectedly contribute to hayfever symptoms.‌View 3 ImagesBoots’ superintendent pharmacist Claire NevinsonClaire Nevinson, Boots Superintendent Pharmacist has looked at some often-overlooked everyday triggers that can intensify common symptoms. And she has looked at what you can do if you develop it:Your wardrobe is a secret pollen magnetClaire explains: "Your clothes, hair and even your shoes can become unwitting carriers of pollen. After spending time outdoors, these items can bring allergens into your home, leading to ongoing exposure, even when you’re inside.‌"Drying laundry outside during high pollen days can also infuse your clean clothes with tiny pollen grains. Alternatively try drying laundry indoors during peak pollen days to help minimise the amount of pollen that could fall onto clothes and bedding.”Pets are unintentional pollen transportersThe expert explains: "As a nation we adore our pets, but their fur and paws can unfortunately act like magnets for pollen when they’re outside. As they come back in, they can deposit t...