Chronical inflammation of the airway with hypersensitivity of the bronchi and airway constriction.

Causes / trigger:
Possibly triggered by allergens (e.g. pollen, dust, animal hair, moulds, certain foods), physical exertion and other stimuli (e.g. tobacco smoke, cold/dry air, dust) as well as inflammation of the airway caused by viruses or bacteria.

Symptoms / signs / effects:

  • Attacks of respiratory distress and breathlessness
  • Whistling, hissing sound when breathing out (wheezing)
  • Attacks of coughing, especially at night, producing a viscous glassy mucus


  • Pulmonary function test
  • Provocation test
  • Immunological diagnosis
  • Skin prick test

Use of bronchodilatory and anti-inflammatory drugs as well as anti-allergic agents with allergic asthma and where appropriate, medication to control mucus (mucolytics).