Necrotizing Fasciitis

Background

Necrotizing fasciitis is a serious bacterial infection that spreads quickly and destroys the tissue under your skin. It often starts with a small cut or injury, but the bacteria grow rapidly, causing severe pain, swelling, and redness. The infection is dangerous because it kills the soft tissue, including muscles and fat, which can lead to life-threatening problems if not treated quickly. Doctors often call it a “flesh-eating disease” because of how fast it damages tissue, and it usually requires surgery and strong antibiotics to stop it from spreading.

Physical Exam and Diagnosis of Necrotizing Fasciitis

Patients with necrotizing fasciitis usually experience sudden, intense pain around a wound or cut, even if it seems small. The area can quickly become red, swollen, and warm to the touch. As the infection spreads, the skin might turn dark or develop blisters, and some people may feel tired, weak, or feverish. In serious cases, the pain can feel much worse than the injury looks. Doctors diagnose necrotizing fasciitis by examining the symptoms, doing blood tests, and taking scans like X-rays or MRIs to see how deep the infection goes. Sometimes, they also take a small tissue sample to check for bacteria.

Treatment of Necrotizing Fasciitis

Necrotizing fasciitis must be treated very quickly because it’s a dangerous infection. The first step is usually surgery to remove the infected tissue so the bacteria can’t spread. Sometimes, more than one surgery is needed. Patients are also given strong antibiotics through an IV to fight the infection. If the infection has caused serious damage, doctors might need to remove large areas of tissue, and in some cases, amputate parts of the body. People with necrotizing fasciitis often need to stay in the hospital for a while to recover, and they might need help healing with treatments like skin grafts or physical therapy afterward.

Edited by Stephen Pinney MD October 14th, 2024