Asthma is triggered by allergies, air pollution, strong emotions, exercise, weather, smoke, viruses or other irritants.Asthma Care for Adults Knowing how to manage asthma is important for better health and quality of life. We offer an online course called ASTHMA Care for Adults.
An asthma trigger is a thing, activity or condition that makes asthma worse. When you encounter a trigger it can cause a sudden worsening of symptoms, often called an asthma attack, episode or flare-up.
No one really knows what causes asthma, but doctors have identified at least 10 known triggers including allergies, food additives, and more.

Some common asthma triggers include dust mites, smoke, allergens, emotional stress, and exercise. Asthma triggers refer to anything that could irritate your lungs and either worsen asthma symptoms or cause an asthma flare-up.
Asthma triggers can also cause asthma attacks. Cold weather or dust mites are examples of asthma triggers. When you come into contact with an asthma trigger: the muscles around your airways tighten. your airways become narrow and inflamed.

To control asthma well, finding and managing triggers is key. Asthma management means knowing your condition, spotting triggers, and acting to lessen their effects. Creating an Asthma Action Plan.
Just like in winter, managing your asthma means staying ahead of potential triggers. Always have your inhaler or nebulizer ready (as prescribed by your doctor) because these little lifesavers can mean the difference between sitting on the sidelines and staying in the race.
Triggers often bring on asthma attacks. It is important to avoid your triggers in order to keep airway inflammation to a minimum and reduce your asthma symptoms. Your personal triggers can be very different from those of another person with asthma.