Introduction Pneumonia, an infection that inflames the air sacs in one or both lungs, can vary in severity from mild to life-threatening. While many patients recover fully with appropriate treatment, pneumonia can lead to serious complications that require urgent medical attention. Three of the most significant complications are sepsis, lung abscess, and pleural effusion. Understanding these complications, their symptoms, and treatment options is vital to improving outcomes and preventing long-term damage. 1. Sepsis: When Infection Spreads Through the Body What Is Sepsis? Sepsis is a life-threatening condition that arises when the body’s response to infection causes widespread inflammation, leading to…