Avoid confusing asthma with bronchitis and the flu
1. Why are these conditions often confused?
All three conditions can cause the following symptoms:
- Cough
- Respiratory discomfort
- Fatigue
As a result, many people assume that their symptoms are simply due to a common cold or bronchitis and delay seeking medical attention.
2. How does asthma differ from bronchitis and the flu?
Asthma is a chronic inflammatory airway disease characterized by recurrent symptoms and requiring long-term monitoring. In contrast, bronchitis and influenza are generally acute illnesses.
| Criteria | Asthma | Bronchitis | Influenza (the flu) |
| Nature of the condition | Chronic airway inflammation with recurrent episodes | Acute inflammation of the bronchi | Influenza virus infection |
| Cough | Recurrent cough, often at night or during physical exertion | Frequent cough, often with sputum | Dry cough or minimal coughing |
| Wheezing | Common | May occur | Rare |
| Shortness of breath | Common | Usually mild | Uncommon |
| Fever | Usually absent | May involve a low-grade fever | Usually sudden onset of high fever |
| Duration | Long-lasting, with recurrent episodes | Usually 1–3 weeks | Usually 5–7 days |
| Treatment | Long-term controller medication and reliever medication for acute symptoms | Symptomatic treatment as indicated | Symptomatic treatment and rest |
3. When should asthma be suspected?
Patients should seek evaluation by a respiratory specialist if they experience any of the following:
- Persistent or recurrent cough
- Coughing that worsens at night or during physical activity
- Wheezing or a sensation of chest tightness
- Symptoms that do not resolve completely despite treatment for a cold or bronchitis
4. Key health education message
Asthma is a chronic condition, but it can be well controlled with an accurate diagnosis and appropriate treatment. Correctly distinguishing asthma from bronchitis and influenza helps patients receive timely treatment, reducing the risk of complications and hospitalization.
This health education material is based on recommendations from the Global Initiative for Asthma (GINA) and the Vietnamese Ministry of Health’s guidelines for the diagnosis and treatment of bronchial asthma.
The information above is for reference purposes only and is not intended as medical advice. Please contact your doctor for detailed medical consultation.