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​What is Asthma?

Asthma is caused by the inflammation of the airways in the lungs.
These airways are small tubes that carry air in and out of your lungs.

Signs and Symptoms

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Common Triggers

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Risk Factors

  • Viral respiratory infections

  • Allergies

  • Family history

  • Environmental & occupational exposure

  • Smoking

  • Obesity

Complications in Poorly-controlled Asthma

  • Fatigue

  • Stress, Anxiety, Depression

  • Poor work / school performance

  • Frequent clinic / hospital visits

  • Pneumonia, respiratory failure, death

How is Asthma Diagnosed

  • ​Family and medical history

  • Physical examination

  • Review any signs and symptoms

  • Chest X-ray

  • Lung function tests – Spirometry

  • Skin prick test

How is Asthma Treated

Types of Inhalers
Preventer Inhaler

  • To prevent asthmatic symptoms from developing

Reliever Inhaler

  • To relief asthmatic symptoms during attacks 

Useful Tools

  • Asthma Control Test
  • Written Asthma Action Plan (WAAP)

​How to Manage Asthma

When your asthma is well-controlled:
• Continue to be compliant with use of preventer inhaler
• Use reliever inhaler only when necessary e.g. before exercise ​
​When you have mild symptoms or flu:
• Increase preventer inhaler usage based on doctor’s advice or WAAP recommendation
• Use reliever inhaler 3-4 times a day for a maximum of 2 puffs each time
When your asthma continues to worsen despite the above:
• GET HELP! Go to the nearest clinic or call the ambulance
• Meanwhile, use reliever inhaler up to 2 puffs every 10mins and take oral tablet (steroid)
​​For more information on asthma management, click this link:
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