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Overview

Published with the inputs from  Dr Pramathakala, Specialist, Pulmonology, Baby Memorial Hospitals- Kannur

Lung infections occur when pathogens like bacteria, viruses, or fungi affect the lungs and airways, leading to conditions such as upper & lower respiratory tract infections pneumonia, bronchitis, or tuberculosis. Symptoms may range from mild cough and fever to severe breathing difficulties. With timely diagnosis and appropriate treatment, most lung infections can be managed effectively. 

What are common lung infections?
Common types of lung infections include:
  • Pneumonia (bacterial, viral, or fungal)
  • Bronchitis
  • Tuberculosis (TB)
  • Fungal lung infections (like aspergillosis)
  • Influenza 
  • COVID-19–related pneumonia
What are the symptoms of lung infections?

Symptoms may vary but often include:

  • Persistent cough (with or without phlegm)
  • Fever, chills, or night sweats
  • Shortness of breath or chest tightness
  • Fatigue and weakness
  • Chest pain when breathing or coughing
  • Blood tinged sputum
How are lung infections diagnosed?

Doctors may use:

  • Medical history and clinical examination  
  • Blood tests and sputum analysis
  • Chest X-ray or CT scan
  • Bronchoscopy in selected cases to collect samples
  • TB testing where suspected
How are lung infections treated?

Treatment depends on the type of infection:

  • Bacterial infections: Antibiotics
  • Viral infections: Supportive care, antivirals (in some cases)
  • Fungal infections: Antifungal medicines
  • Severe infections: May require hospitalization, oxygen therapy, or intensive care
  • Supportive treatments like fluids, rest, and medications for fever and cough also help recovery.
When should I see a doctor for a lung infection?

Seek medical attention if you have:

  • High fever and persistent cough
  • Difficulty breathing or rapid breathing
  • Chest pain that worsens with deep breaths
  • Coughing up blood
  • Symptoms not improving with home remedies in a few days
Can lung infections be prevented?

Yes. Preventive measures include:

  • Respiratory hygiene
  • Using masks in crowded or polluted areas
  • Staying up to date with vaccinations (flu, pneumonia, COVID-19, TB where needed)
  • Practicing good hand hygiene
  • Using masks in crowded or polluted areas
  • Strengthening immunity through healthy diet, exercise, and adequate rest
Connect with Our Experts Today

If you or a loved one has symptoms of a lung infection, the Pulmonology Department at Baby Memorial Hospital (BMH) offers expert diagnosis, advanced treatments, and long-term respiratory care to ensure faster recovery and prevent complications.

👉 Book an Appointment Online or visit BMH to consult our lung specialists.

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