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About Wheezing

Wheezing is a high-pitched whistling like sound made while breathing. Usually wheezing occurs during expiration (breathing out), but it can appear at inspiration (breathing in) as well.

reduced airflow and wheezing

Wheezing is a result of narrowing of the airways usually due to inflammation or by a physical obstruction. Wheezing is typically accompanied by difficulty breathing or shortness of breath. The narrowing of the airways can be caused by inflammation from asthma, a respiratory infection or an allergic reaction.  A physical obstruction can be from a tumor or a foreign object present in the airways.

The most common cause of recurrent wheezing is asthma. Other possible causes of wheezing can include:

  1. Allergies
  2. Anaphylaxis – that is a very severe allergic reaction to allergenic triggers such as food, insect bite or medication
  3. Asthma
  4. Bronchiolitis
  5. Bronchiectasis
  6. Bronchitis
  7. COPD
  8. Cystic Fibrosis
  9. Emphysema
  10. Epiglottitis (inflammation of the "lid" of your windpipe)
  11. Foreign object in the airways
  12. GERD — Gastroesophageal reflux disease
  13. Heart failure
  14. Lung cancer
  15. Medications such as aspirin
  16. Pneumonia
  17. Pulmonary Fibrosis
  18. Respiratory tract infection
  19. RSV (Respiratory syncytial virus)
  20. Sleep apnea
  21. Smoking
  22. Vocal cord dysfunction