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Doctors are urging Victorians not to write off springtime wheezing, shortness of breath and coughing as hay fever, saying these symptoms could be signs of seasonal asthma, which can turn deadly if untreated.<\/p>\n
It can be tricky to tell the difference between asthma and hay fever. The lung disease and the allergic response can occur at the same time and have some similar triggers and symptoms, such as coughing.<\/p>\n
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Rye grass pollen was the key allergen in Melbourne\u2019s 2016 thunderstorm asthma event.<\/span>Credit: <\/span>Alamy<\/cite><\/p>\n But experts say the catastrophic thunderstorm asthma event in 2016 that claimed 10 lives and led to Melbourne running out of ambulances underlines the danger of confusing asthma symptoms as hay fever. Hay fever is also an important risk factor for developing thunderstorm asthma.<\/p>\n Hundreds of the people who rushed into Melbourne emergency departments coughing and struggling to breathe during the 2016 event said they had not experienced asthma symptoms before.<\/p>\n \u201cWe know that these types of storms have a really unique way of delivering an allergen down deep into your lungs,\u201d said Victoria\u2019s chief health officer, Dr Clare Looker, who was appointed to the role in July.<\/p>\n \u201cSo the rest of the year you won\u2019t have asthma, but you\u2019re at risk [of experiencing asthma during these events] even if you just have hay fever.<\/p>\n Victoria\u2019s chief health officer, Dr Clare Looker.<\/span><\/p>\n \u201cOur message is, even if you never get asthma symptoms, but you do get hay fever symptoms, get them checked out with your GP or chat to your pharmacist, and just make sure that you\u2019re aware of the risks of thunderstorm asthma because of your hay fever status.\u201d<\/b><\/p>\n Victoria is entering a peak risk period for thunderstorm asthma, which occurs when pollen grains explode after absorbing moisture in the air, allowing the smaller particles to be breathed into people\u2019s lungs.<\/p>\n Looker, who spoke exclusively to The Age<\/i> ahead of a media event, said while thunderstorm asthma events were still rare, Melbourne\u2019s geography meant large doses of this allergen could be delivered efficiently.<\/p>\n Associate Professor Matthew Conron was called in to help treat about 200 patients who arrived at Melbourne\u2019s St Vincent\u2019s Hospital on the evening of the thunderstorm asthma event on November 21, 2016. The hospital was forced to declare an external disaster and set up an emergency clinic.<\/p>\n About 35 patients had to be admitted to the hospital, and one died.<\/p>\n Conron, the hospital\u2019s director of respiratory and sleep medicine, said the patients were typically young and very unwell. They had either had mild asthma in the past or had never been diagnosed with the condition.<\/p>\n This assessment was backed up by a later study of 1435 patients who turned up at Melbourne hospitals during the thunderstorm asthma event. The study found more than half had never had an asthma diagnosis before their thunderstorm asthma episode.<\/p>\n Associate Professor Matthew Conron, St Vincent\u2019s Hospital director of respiratory and sleep medicine.<\/span>Credit: <\/span>Wayne Taylor<\/cite><\/p>\n About half of the patients told researchers they had never had asthma symptoms, yet when these same patients were asked if they had experienced shortness of breath, chest tightening and wheezing, 46 per cent of them had.<\/p>\n This was suggestive of underlying asthma, said Associate Professor Eve Denton, a respiratory and sleep physician at St Vincent\u2019s and Alfred hospitals Melbourne.<\/p>\n \u201cThey were people who really had no history of asthma and [yet] were so bad on that night that they had to present to emergency.\u201d<\/p>\n Denton said people might not realise that it\u2019s possible to have asthma that occurs only in spring, a phenomenon she said was particularly common in Melbourne.<\/p>\n \u201cWe do have patients in our clinic where if we measure their lung function outside of spring, it\u2019s completely normal. And if we measure their lung function in spring, particularly on those really high pollen count days that tend to occur in November, then we can find on their lung function that they have demonstrable [confirmed] asthma.\u201d<\/p>\n The specialist doctors are urging people experiencing symptoms including chest tightness, shortness of breath and wheezing to consult their GP.<\/p>\n Looker said Victorians could access thunderstorm asthma forecasts through the VicEmergency app.<\/p>\n In an exclusive offer for subscribers, order a copy of <\/b>Life As We Knew It: the extraordinary story of Australia\u2019s pandemic <\/i><\/b>by Aisha Dow and Melissa Cunningham from Scribe for 30 per cent off the retail price. Click here for details. This offer is available until October 31.<\/b><\/p>\n<\/p>\n
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