How to Recognize Bronchitis and How to Effectively Treat It – Symptoms, Diagnosis, and Modern Treatment Methods

How to recognize bronchitis? This is a question many patients ask themselves, especially during the autumn-winter season when respiratory infections are particularly common. Bronchitis is an inflammation of the mucous membrane of the airways, which can be acute, subacute, or chronic. Symptoms often resemble a common cold, but the disease can lead to complications, especially in children, seniors, and individuals with weakened immunity.

Understanding the differences between the forms of the disease, its symptoms, and treatment methods is key to a quick recovery.

• Acute bronchitis in 85–90% of cases has a viral etiology.
• The disease manifests as coughing, fever, and a feeling of shortness of breath.
• Antibiotics are not necessary in most cases.
• Treatment is based on alleviating symptoms and supporting immunity.
• In smokers and those exposed to air pollution, the chronic form develops more frequently.

See also: Blocked nose without a runny nose – causes, diagnosis, and effective treatment.

What is bronchitis?

Bronchitis (bronchitis) is an inflammation of the mucous membrane of the bronchi — the passages through which air travels from the trachea to the lungs. It can be acute (lasting up to 3 weeks), subacute (up to 8 weeks), or chronic (lasting more than 3 months in a year for at least 2 years).

According to research published in The Lancet Respiratory Medicine (2023), bronchitis is one of the most common infectious diseases of the respiratory system, accounting for over 10% of all visits to family doctors during the autumn-winter period.

How to recognize bronchitis – typical symptoms

The symptoms of bronchitis depend on its type and severity. However, they most commonly include:

• Coughing – initially dry, after a few days it becomes wet and productive, with the expulsion of phlegm.
• Fever – usually moderate (37.5–38.5°C), sometimes with chills.
• Shortness of breath and wheezing – resulting from swelling of the mucous membrane and narrowing of the bronchi.
• Chest pain – worsening with coughing.
• Fatigue, muscle aches, feeling of pressure in the chest.

Research published in JAMA Internal Medicine (2022) confirms that coughing in acute bronchitis lasts an average of 18 days, even despite the improvement of other symptoms.

Types of Bronchitis

1. Acute Bronchitis

The most common form of the disease, usually of viral etiology. The infection is caused by, among others:

• influenza viruses A and B,
• parainfluenza,
• RSV (respiratory syncytial virus),
• adenoviruses,
• coronaviruses,
• rhinoviruses.

Less commonly, bacteria such as Mycoplasma pneumoniae or Bordetella pertussis (whooping cough) are responsible.

The infection spreads through respiratory droplets and is contagious, especially in the first days of the illness.

2. Subacute Bronchitis

Characterized by a persistent cough following a viral infection (lasting up to 8 weeks). It is associated with bronchial hyperreactivity and chronic inflammation. Treatment focuses on reducing cough and rebuilding the mucosa.

3. Chronic Bronchitis

Diagnosed when a cough with sputum lasts for at least 3 months a year for 2 years.
The most common cause is smoking and exposure to air pollution or industrial dust.
Research from European Respiratory Journal (2021) shows that smoking increases the risk of chronic bronchitis by as much as 9 times.

Diagnosis of Bronchitis

A family doctor or pediatrician diagnoses the disease based on symptoms and physical examination (listening to the lungs). In some cases, additional tests are ordered:

• Chest X-ray – to rule out pneumonia.
• Microbiological tests of sputum – if a bacterial infection is suspected.
• Blood tests (CRP, leukocytes) – help differentiate between viral and bacterial infections.

According to the guidelines of the European Respiratory Society (ERS, 2022), antibiotics should only be used when a bacterial infection is suspected or in patients with reduced immunity.

Treatment of Bronchitis

Symptomatic Treatment

In most cases, symptomatic treatment is sufficient, aimed at alleviating cough and fever and improving breathing comfort:

• Paracetamol or ibuprofen – to reduce fever and pain.
• Expectorants and mucolytics – facilitating the removal of secretions from the respiratory tract.
• Bronchodilators (e.g., salbutamol) – in case of wheezing.
• Humidifying the air and saline inhalations – soothe irritation of the respiratory tract.
• Vitamin C and D – support the immune system.
• Ventilating rooms and resting – support the body’s recovery.

Antibiotic Therapy

Antibiotics are recommended only in cases of bacterial infection or risk of complications (e.g., in seniors or patients with COPD).
The most commonly used substances are:

• amoxicillin,
• clarithromycin or azithromycin,
• cefuroxime.

Research from the Cochrane Database of Systematic Reviews (2023) confirms that antibiotics do not shorten the duration of viral infections, and their misuse increases the risk of bacterial resistance.

Bronchitis in Children and Infants

In the youngest patients, the disease often presents with severe coughing, fever, and difficulty breathing. The most common pathogen is RSV (respiratory syncytial virus).
Treatment is symptomatic – it is important to moisten the mucous membranes, provide inhalations, and ensure hydration. In more severe cases, hospitalization is necessary.

Pediatricians recommend avoiding exposure of children to cigarette smoke and cold, dry air, which irritate the respiratory tract.

Prevention of Bronchitis

• Vaccinations against influenza and whooping cough.
• Limiting tobacco smoking and exposure to smog.
• Hand hygiene and avoiding contact with sick individuals.
• Maintaining immunity – a diet rich in vegetables, vitamins D and C, and regular physical activity.

According to research from Respiratory Medicine (2021), regular influenza vaccinations reduce the risk of bronchitis by about 30% in older adults.

When to See a Doctor?

A visit to the doctor is necessary if:

• cough lasts longer than 3 weeks,
• fever above 39°C occurs,
• there is shortness of breath or chest pain,
• sputum becomes purulent or bloody,
• symptoms worsen despite treatment.

Sources:

1. The Lancet Respiratory Medicine, 2023 – Acute and chronic bronchitis: global epidemiology and management.
2. JAMA Internal Medicine, 2022 – Duration of cough and management strategies in acute bronchitis.
3. European Respiratory Journal, 2021 – Tobacco smoke and chronic bronchitis: mechanisms and prevention.
4. Cochrane Database of Systematic Reviews, 2023 – Antibiotics for acute bronchitis in adults and children.
5. Respiratory Medicine, 2021 – Vaccination and prevention of lower respiratory tract infections.
6. European Respiratory Society (ERS), 2022 – Guidelines for diagnosis and treatment of bronchial infections.