Wet weather triggers can lead to asthma flare-ups

The Institute for Respiratory Health is warning Perth residents that the current cool and wet conditions could trigger asthma flare-ups.

As Perth faces continued high rainfall over the next few weeks, the combination of damp conditions, increased indoor humidity and cooler temperatures creates an environment where asthma triggers like mould can thrive.

Professor Yuben Moodley, a leading respiratory specialist at the Institute for Respiratory Health, explained the risks. “The wet weather we’re seeing in Perth can significantly worsen asthma symptoms for many people,” Professor Moodley said. “Mould can flourish in damp, indoor humid environments and without proper management, it can lead to severe breathing issues.”

Mould can grow quickly in areas of the home with low air circulation or excess moisture, such as bathrooms, built-in wardrobes and bedrooms. The spores released by mould can cause symptoms ranging from sneezing and wheezing to severe breathing difficulties.

Professor Moodley advises Perth residents to take proactive steps to manage these risks. “It’s crucial to ensure good natural air circulation in your home, use extractor fans and fix any leaks,” he said. “Mould is not always visible, for example it can start to grow on your windowsill, so it’s important to find and eliminate the source of moisture to prevent it from coming back.”

Another common asthma trigger at this time of year is dust mites, which thrive when indoor humidity is high. Invisible to the naked eye, dust mites live in warm and moist environments like bedding and carpets and are known to cause allergic reactions.

“These tiny creatures’ droppings are the real problem, leading to breathing difficulties,” Professor Moodley warned. “One of the best things you can do is invest in a high-efficiency particulate air (HEPA) vacuum and use it regularly.”

The Institute for Respiratory Health encourages all asthma sufferers to have regular check-ups with their doctor, especially during periods of seasonal change. Understanding and managing your personal asthma triggers is key to maintaining good respiratory health.

The Institute for Respiratory Health remains committed to advancing respiratory health through research, patient care and public education.

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