Asthma

Introduction

  • Long-term condition affecting the airways in the lungs
  • Causes narrowing and inflammation → difficulty breathing
  • Common in both children and adults
  • Can range from mild to life-threatening

Symptoms

  • Shortness of breath
  • Wheezing (whistling sound)
  • Chest tightness
  • Cough (especially at night or early morning)
  • Red flags
    • difficulty speaking
    • blue lips or face
    • severe breathlessness
    • no relief from inhaler

Causes and Risk Factors

  • Allergies (dust, pollen, pets)
  • Air pollution
  • Smoking or passive smoke
  • Respiratory infections
  • Cold air
  • Exercise
  • Family history

Types or Classification

  • Allergic asthma
  • Non-allergic asthma
  • Exercise-induced asthma
  • Occupational asthma

Diagnosis

  • Clinical history
  • Spirometry (lung function test)
  • Peak flow monitoring
  • Response to inhalers

Treatment

Medications

Non-Medication Treatment

  • Avoid triggers
  • Use inhalers correctly
  • Regular monitoring (peak flow)
  • Allergy control

Advanced Treatment

  • Combination inhalers
  • Oral steroids (short-term)
  • Biologic therapies (severe cases)

Complications

  • Severe asthma attacks
  • Respiratory Failure
  • Reduced quality of life
  • Frequent hospital admissions

When to See a Doctor

  • Frequent symptoms
  • Night-time symptoms
  • Increased inhaler use
  • Reduced response to treatment

Emergency Signs

  • Severe breathlessness
  • Cannot speak full sentences
  • Chest retractions
  • Blue lips
  • No response to reliever inhaler

Prevention

  • Avoid known triggers
  • Adhere to inhaler therapy
  • Annual reviews
  • Vaccinations (flu)

Prognosis and Recovery

  • Chronic condition
  • Well controlled in most patients
  • Some children outgrow it

Quick Patient Advice

  • Always carry your inhaler
  • Use preventer inhaler daily if prescribed
  • Check inhaler technique
  • Avoid triggers
  • Seek help early during flare-ups

FAQ

  • Can asthma be cured?
    • No, but it can be well controlled
  • Is asthma hereditary?
    • Yes, often runs in families
  • What triggers asthma attacks?
    • Allergens, infections, cold air, exercise
  • Can exercise worsen asthma?
    • Sometimes, but usually manageable
  • Are inhalers safe?
    • Yes, when used correctly
  • How often should I use a reliever inhaler?
    • Only when needed; frequent use = poor control
  • Can asthma be life-threatening?
    • Yes, if severe and untreated
  • Do children outgrow asthma?
    • Some do
  • Is smoking harmful in asthma?
    • Extremely harmful
  • When should I go to hospital?
    • Severe symptoms or no response to inhaler

AI Pharmacist helps your understanding. For diagnosis, treatment decisions, or changing medicines, please speak to a registered pharmacist or doctor in your country.

USA UK China India Hong Kong Singapore Saudi Arab