Overview of Asthma
When a person has asthma, their airways become affected. When a person comes into contact with what triggers their asthma, the small tubes that carry the air in and out of their lungs begin to shrink due to this allergen. The lining of the airways starts to swell and a mucus is produced. This makes it difficult to push air in and out of the lungs.
More Information / Disclaimer
Breathing emergencies such as asthma can be life threatening. Consult a physician immediately if you believe you are having an attack. The material posted on this page is for learning purposes only. To learn to recognize and manage breathing emergencies, including asthma, register for a first aid course at one of our popular training centres.
Causes of Asthma
There are several reasons why a person may have asthma, these include:
- Their lifestyle
- Family history
- Being exposed to dust and chemicals
- Pollution within the environment
- Viral infection
Triggers for Asthma
There are several triggers for those who suffer from asthma. Not everyone is going to have the same triggers, but here are a few that are widely known for triggering asthma:
- Animals: Animals fur, saliva, skin and urine can all trigger asthma.
- Air Pollutants: This includes the exhaust of cars, smoke, and gases in the atmosphere.
- Emotions: Those who are under stress, suffer from depression or anxiety may have more asthma attacks than those without.
- Exercise: Jumping into exercise without warming the body up can cause someone to have an asthma attack. However, exercise should not be avoided, as this is an essential part of being healthy.
- Food: There are those who suffer from allergies when eating certain foods which can also trigger asthma. These foods usually include nuts, products with yeast, dairy products etc.
- Hormones: In some cases, puberty can cause asthma as the hormones are changing rapidly. The same can be said of women during pregnancy or menopause.
- Dust mites: if you have allergies and your home is dusty, this can cause asthma too. That is why the person must make sure that their home is dust free.
- Medicines: Some medications such as anti-inflammatory drugs can actual cause an asthma attack. Beta blockers can also cause this type of reaction.
- Moulds and fungi: Mould and fungi can both cause asthma attacks, and it is imperative that people do their best to prevent this in their home.
- Pollen: During the spring and summer when pollen counts are high, asthma can run high as well.
- Smoking: this is considered as one of the more aggressive triggers when it comes to asthma.
- Weather: damp or humid weather can cause many people to develop asthma and can cause them to have an asthma attack. In fact, thunderstorms are known for increasing the pollen count, making asthma more common in those who have this.