Understanding Asthma Triggers: Prevention and Control

My daughter came home from school one afternoon with a tight chest and a cough that wouldn’t quit. She’d been playing netball, something she loved, but halfway through the game she had to sit down. Watching her struggle for breath while her friends kept playing was one of those moments that made me realise how little I actually understood about asthma – even though she’d been diagnosed three years earlier.

That afternoon, I started asking real questions instead of just accepting the diagnosis and the inhalers. What was actually triggering her symptoms? Why did some days feel fine and others feel like she was breathing through a straw? I’ve since learned that asthma isn’t some mysterious condition that just happens to you – it’s something you can genuinely understand and manage once you recognise the patterns.

What I’ve Learned About Triggers

Before that day, I thought asthma triggers were just things like pollen or dust. The reality is far more nuanced, and that’s actually been helpful to know. Triggers aren’t universal – what sets off my daughter’s asthma might not affect someone else at all. I’ve come to think of triggers as anything that causes the airways to become inflamed and narrow, making breathing harder.

The common ones I’ve encountered include exercise (which was my daughter’s issue that day), cold air, allergens like pollen and pet dander, respiratory infections, and air pollution. But there are others too. Strong smells from cleaning products, stress, weather changes, and even certain foods can play a role for different people. I started keeping a simple notebook where I’d jot down what my daughter was doing when symptoms appeared, and patterns began to emerge within a few weeks.

What surprised me most was learning that triggers often work together. A study I read about in a health journal suggested that people with asthma are more likely to have a flare-up when multiple triggers combine – say, exercising outdoors on a cold, polluted day when pollen counts are high. It’s not just one thing; it’s the accumulation. That made sense of why some days seemed worse than others, even when she was doing similar activities.

Recognising Your Own Pattern

I realised pretty quickly that understanding my daughter’s asthma meant becoming a bit of a detective. I started noticing that her symptoms were worse during spring when the pollen was thick, but also worse on days when she’d been indoors with the heating on. Cold air was definitely a factor – winter mornings were harder for her. And stress? I noticed her breathing got tighter during exam weeks at school.

The key thing I’ve learned is that recognising your own triggers requires paying attention. It sounds simple, but most people don’t really track what’s happening. I started asking my daughter questions: What were you doing when you noticed it? Where were you? What was the weather like? Had you eaten anything unusual? Was there something stressful happening? Over time, the picture became clearer. Your triggers might be completely different from someone else’s, which is why that detective work matters.

Prevention: The Practical Side

Once I understood what triggered my daughter’s asthma, prevention became less about avoiding life and more about being strategic. I couldn’t stop her from exercising – that’s important for her health – but we could prepare differently. Before netball games, she uses her reliever inhaler about 15 minutes beforehand. It’s made a real difference.

For allergens, I’ve made small changes that add up. We wash bedding weekly in hot water, keep windows closed during high pollen days, and vacuum regularly. I’ve also become more aware of what cleaning products we use at home. Switching to gentler, fragrance-free options meant fewer chemical triggers in our environment. These aren’t dramatic changes, but they’ve genuinely reduced how often she has symptoms.

Managing cold air exposure has been interesting too. On cold mornings, I encourage her to wear a scarf or mask over her nose and mouth – warming the air before it reaches her lungs makes a real difference. During winter, we’re more cautious about outdoor exercise, though we don’t avoid it entirely. It’s about being thoughtful rather than fearful.

Control: Living Well, Not Just Managing

I’ve come to understand that controlling asthma isn’t about eliminating every possible trigger – that’s unrealistic. It’s about having a plan and sticking to it. My daughter has a reliever inhaler for when symptoms flare up, and she uses a preventer inhaler daily. That preventer is crucial; it reduces inflammation in her airways even when she’s not having symptoms, which means triggers are less likely to cause problems in the first place.

What I’ve found helpful is having a clear action plan. We know what her normal breathing feels like, so we notice when it changes. We know which situations are risky and how to prepare. We understand that some days will be harder than others, and that’s okay. The goal isn’t perfection – it’s reducing the number of days she feels restricted, and ensuring she can do the things she loves.

I’ve also learned to recognise the difference between normal asthma and something that needs medical attention. If her reliever inhaler isn’t working, if she’s struggling to speak in full sentences, if her lips or fingernails look bluish – those are signs we need to seek help immediately. But the everyday management? That’s something we handle together with understanding and awareness.

The Bigger Picture

What strikes me now, looking back at that afternoon on the netball court, is how much has changed simply because I took time to understand asthma rather than just accept it. My daughter still plays netball. She still goes outside in winter. She still lives a normal life. But she does it with awareness and preparation, which makes all the difference.

I’ve realised that managing asthma is really about recognising your own body’s patterns, understanding what makes it worse, and taking sensible steps to prevent flare-ups. It’s not complicated, and it’s definitely not something that should stop you from living. Once you know your triggers, you can work around them. Once you understand your asthma, you’re not fighting it blindly anymore – you’re working with your own body’s needs.

Lesa O'Leary
Lesa O'Leary

Lesa is a dynamic member of OzHelp’s Service Delivery Team as the Service Delivery Team Leader and Nurse. She has been with OzHelp for five years and believes in leading by example. Lesa has experience in the not-for-profit sector, as well as many roles throughout different industries and sectors, including as a contractor to the Department of Defence. She has expertise in delivering OzHelp’s health and wellbeing programs and engaging with clients in a relaxed and comfortable manner that aligns with the organisation’s vision and objectives.

Lesa has a Certificate 4 in Nursing from Wodonga Tafe, Certificate 4 in Mental Health from Open Colleges, and is currently undertaking a Certificate 4 in Training and Assessment from Tafe NSW. For the past few months Lesa has been an Education and Memberships committee member of the ACT Branch of the National Association of Women in Construction (NAWIC).