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Necrotizing fasciitis is a rare but extremely aggressive bacterial infection that destroys the fascia, subcutaneous tissues, and surrounding skin. Its rapid progression is mainly due to the virulence of the bacteria involved—most commonly Group A Streptococcus, Staphylococcus aureus, Clostridium, Vibrio vulnificus, or mixed anaerobic organisms. These pathogens release potent toxins and enzymes that break down tissues, impair blood flow, and suppress the body’s immune defenses. Once the infection begins, bacteria can spread along fascial planes within hours, making early recognition crucial.