Understanding Lung Infections: Types, Causes & Symptoms

Lung infections affect the breathing organs. Common types:

• Pneumonia: Air sac infection (bacteria, viruses, fungi).
• Bronchitis: Bronchial tube inflammation (usually viral, sometimes bacterial).
• Tuberculosis: Bacterial (TB), airborne spread.
• Fungal infections: In immunocompromised (Aspergillus, Candida, Cryptococcus).
• Viral infections: Most common (influenza, RSV, coronavirus).

Common Symptoms

• Cough, shortness of breath, chest pain, fever, chills, fatigue, loss of appetite.

Treatment depends on type/severity: antibiotics, antivirals, antifungals, oxygen therapy, sometimes hospitalization.