Victorians are being warned to start preparing for thunderstorm asthma now as the grass and pollen season is set to ramp up in the coming weeks.
Health authorities are warning residents with asthma or hay fever to check in with their GP and make a plan prior to the season beginning.
"If you have current, past or undiagnosed asthma or seasonal hay fever you are at increased risk of thunderstorm asthma," Victoria Health said.
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"So be prepared to manage any symptoms and stay out of hospital."
From October 1, people can check the daily risk rating on the VicEmergency app or website.
What is thunderstorm asthma?
Thunderstorm asthma is believed to be a result of high amounts of grass pollen in the air and a certain type of thunderstorm.
For people who have asthma or hay fever, this can trigger severe asthma symptoms.
When a large number of people develop asthma symptoms in a short period of time, this is known as epidemic thunderstorm asthma.
How do I protect myself?
Health authorities urge anyone who suffers from asthma or hay fever to monitor the forecast on the VicEmergency app.
Avoid being outside during a storm and especially during the winds prior to the storm.
Take preventative medication as directed by your GP even if you're symptom-free.
Always carry your reliever and be aware of how to manage your asthma attack, your GP can help you with this.
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How dangerous is thunderstorm asthma?
Thunderstorm asthma can be very dangerous for asthma and hay fever sufferers if they're not aware of the forecast or don't have a plan.
In 2016, ten people died in Melbourne from thunderstorm asthma.
Residents are urged to check in with their GP now prior to the season starting.
