What causes a chronic cough?

The most common causes of chronic cough include:

  • Smoking
  • Gastroesophageal reflux (GERD), backflow of stomach acid into the lower esophagus
  • Asthma, especially during flare-ups
  • Post-nasal drip
  • COPD (chronic obstructive pulmonary disease)
  • Chronic bronchitis
  • Infections
  • Certain medications

A chronic cough is often associated with other symptoms such as stuffy nose, runny nose, hoarseness, heartburn, shortness of breath, sore throat and a frequent need to clear your throat. It may also become worse at night or any time you recline, as well as during and after periods of exertion.

How is a chronic cough diagnosed?

A chronic cough can have many underlying causes, which makes diagnosis a critical part of treatment. Diagnosing the cause of a chronic cough relies on a physical exam and personal history, a review of lifestyle habits, imaging tests like x-ray or CT scan, lung function tests or blood work. A thin, flexible tube called an endoscope may also be used to look inside the airways for possible causes.

How is a chronic cough treated?

Treatments for a chronic cough are based on the underlying cause and can include:

  • Decongestants
  • Antihistamines
  • Asthma medication
  • Acid blockers to treat GERD
  • Cough suppressants
  • Antibiotics to treat infections

Treatments for a chronic cough are based on the underlying cause and can include:

Lifestyle changes like quitting smoking and avoiding allergens can also help. If you have a chronic cough, getting treatment as soon as possible is important for avoiding serious side effects and maintaining optimal health and wellness