There are many different asthma triggers and they vary from person to person. These are some of the common triggers: A recent survey put chest infections as the top trigger of asthma symptoms for both adults and children. Many people with asthma are allergic to the microscopic house-dust mites found in our beds, carpets, soft furnishings and soft toys. This significantly increases breathlessness and cough for people with asthma. Breathing in other people?ssmoke can also make your asthma worse. Animals are a common allergic trigger of asthma symptoms, even if they spend most of the time outside the home.

Exercise can make some people?s asthma worse, especially on cold, dry days or after a change of weather.

Pollen: Pollen can trigger asthma in some people. These can include cigarette smoke, car fumes, paint fumes, perfumes and certain chemicals. A sudden change in temperature, cold air, windy days, poor air quality and hot, humid days are all known triggers for asthma. Mould spores in wet weather, damp housing or piles of autumn leaves can all trigger asthma. Emotional upset, stress, excitement or even a long fit of laughing can make your asthma worse. Some medicines, including aspirin, non-steroidal and anti-inflammatory tablets (eg. Nurofen) and beta blockers used for heart-disease and glaucoma can lead to asthma attacks in a small number of people. Always tell your pharmacist that you have asthma. Some women find their asthma varies before their periods, during pregnancy and during menopause.