Asthma

Asthma is a condition that can cause variable breathing symptoms, often related to airway inflammation and airway narrowing.

Common symptoms

  • Wheezing
  • Cough, especially at night or with exercise
  • Chest tightness
  • Shortness of breath

Common triggers

Triggers may include respiratory infections, allergies, exercise, smoke, irritants, weather changes, reflux, or occupational exposures.

Care themes

  • Identifying triggers
  • Correct inhaler technique
  • Symptom monitoring
  • An asthma action plan when appropriate

Trusted resources

Learn more from ATS Patient Education.

ATS: What Is Asthma? →
Seek urgent care for severe shortness of breath, blue lips, confusion, severe chest tightness, or symptoms not improving with prescribed rescue treatment.