What are the Causes of Sub-acute Cough?For a cough that has lasted for between 3 and 8 weeks, the most common causes are:
A post-infectious cough is a cough that has persisted after a common cold or other viral respiratory tract infection, in which there is no pneumonia. It can be a result of post-nasal drip or bronchitis. These symptoms may resolve without treatment, or may become an acute sinusitis requiring antibiotics.
What Causes an Acute Cough?
- Post-infectious cough
- Acute sinusitis
- Asthma
A post-infectious cough is a cough that has persisted after a common cold or other viral respiratory tract infection, in which there is no pneumonia. It can be a result of post-nasal drip or bronchitis. These symptoms may resolve without treatment, or may become an acute sinusitis requiring antibiotics.
Some experts will give a trial of a decongestant/antihistamine combination (such as Dimetapp or the generic equivalent) for one week, and if this fails, a trial of antibiotics.
What Causes an Acute Cough?
The most common causes of an acute cough include:
- The common cold
- Acute sinusitis
- Pertussis (whooping cough)
- Chronic obstructive pulmonary disease (COPD) exacerbations
- Allergic rhinitis
- Non-allergic rhinitis.
