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Allergic rhinitis (commonly known as hay fever) affects around 20% of Australians
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Grass and weed pollens can persist from August to May
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Overuse of decongestant sprays can cause rebound congestion
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Untreated hay fever is linked to poor asthma control and sleep disturbance
SYDNEY, AUSTRALIA: Hay fever is not just a spring problem, with specialists warning that symptoms can persist well into autumn and even winter depending on location and triggers.
Allergic rhinitis, commonly known as hay fever, is caused by the nose coming into contact with environmental allergens such as pollens, dust mites, moulds and animal dander. Despite its name, it is not caused by hay and does not cause a fever.
ENT surgeon Dr Rhydian Harris of ENT Care Hub, a Doctify specialist, says many Australians underestimate how long pollen exposure can last.
“Pollination times vary depending on the plant and the region,” Dr Harris said. “Trees typically pollinate in late winter and early spring, while grasses and weeds can flower from August through to May. In some parts of Australia, people can experience symptoms almost year-round.”
Untreated allergic rhinitis is not trivial. Dr Harris says it can lead to sleep disturbance, daytime fatigue, headaches, poor concentration and recurrent sinus or ear infections. It is also strongly linked with poor asthma control.
“We now understand allergic rhinitis as part of a unified airway disease,” he said. “It’s not just a nasal issue. Ongoing inflammation in the nose can affect overall airway health.”
Common treatment mistakes
Dr Harris says one of the biggest issues he sees is incorrect or inconsistent treatment.
“The most common mistakes are over-reliance on decongestant sprays for quick relief, using steroid nasal sprays reactively instead of preventively, and stopping treatment too early because people don’t feel immediate results,” he said.
Decongestant sprays such as oxymetazoline or xylometazoline can provide short-term relief but should not be used for more than five days.
“Overuse can lead to rhinitis medicamentosa, where the nose becomes inflamed and dependent on the spray,” Dr Harris said. “It can result in congestion that is worse than the original problem.”
Intranasal corticosteroid sprays are considered first-line therapy but need to be used regularly and with correct technique to be effective.
When to seek medical advice
Dr Harris recommends medical review if symptoms persist despite appropriate treatment or if specific warning signs occur.
Red flags include:
- Symptoms lasting more than two to three months despite treatment
- Persistent one-sided nasal blockage
- Recurrent sinus infections, facial pain or pressure
- Sleep disturbance, snoring or mouth breathing
- Worsening asthma control
- Daily reliance on decongestant sprays
“These patients may benefit from formal allergy testing and discussion about long-term strategies such as allergen immunotherapy,” Dr Harris said.
Lifestyle factors that worsen symptoms
Several under-recognised factors can amplify symptoms, including smoking or vaping, pets in bedrooms, drying laundry outdoors on high pollen days, open windows overnight and outdoor exposure around thunderstorms.
“These factors don’t cause hay fever on their own, but they can significantly worsen symptoms,” Dr Harris said.
Myths worth debunking
Dr Harris says there is little evidence that eating local honey improves hay fever symptoms.
“Light rain can actually increase the distribution of airborne pollen fragments rather than clearing them,” he said.
He also notes that allergic rhinitis can develop at any age, including adulthood.
“You don’t have to live with hay fever,” he said. “For selected patients, allergen immunotherapy is a genuine long-term strategy that can reduce symptom severity and reliance on medication.”
Practical steps that help
Specialists recommend:
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Using saline nasal rinses before steroid sprays
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Showering and changing clothes after outdoor exposure
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Keeping pets out of bedrooms
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Washing bedding weekly in hot water
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Using HEPA air purifiers in bedrooms
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Elevating the head slightly during sleep
“These measures don’t replace medication, but they can significantly improve symptom control and sleep quality,” Dr Harris said.
ENDS
Dr Harris is available for interviews nationwide.
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