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Published on: 7/15/2026
Flesh-eating bacteria are a group of pathogens that can cause rare but life-threatening infections known as necrotizing fasciitis. These bacteria commonly live in water environments, especially warm coastal and brackish waters, where they can enter the body through open cuts, scrapes, or by consuming contaminated raw seafood. Early symptoms may include severe pain, swelling, fever, and redness that spreads rapidly.
Because flesh-eating infections progress quickly and can become fatal within hours, recognizing warning signs early is critical. If you've been exposed to warm coastal water or seafood and are experiencing unusual symptoms, don't wait. Take a free, instant, online symptom check to better understand what may be going on and get guidance on your next steps.
Reviewed for medical accuracy: 07/15/2026
Flesh-eating bacteria are types of germs that can cause severe infections, like necrotizing fasciitis. These bacteria are often found in water, especially in warm coastal areas. When someone has a cut or wound and comes into contact with these waters, the bacteria can enter the body and cause serious illness.
It is important to seek medical help quickly if you suspect an infection, as early treatment can be crucial. If you're experiencing any concerning symptoms, you can check them immediately using Ubie's free AI-powered symptom checker to help determine your next steps. Always take care of cuts and wounds by cleaning them properly and keeping them covered, especially when swimming or wading in natural bodies of water.
(References)
Quirk WF Jr, & Sternbach G. (1996). Joseph Jones: infection with flesh eating bacteria. The Journal of emergency medicine, 8969999.
García-Casares E, Mateo Soria L, García-Melchor E, Riera Alonso E, Olivé Marqués A, Holgado Pérez S, et al. (2010). Necrotizing fasciitis and myositis caused by streptococcal .... Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases, 21085016.
Madiyal M, Eshwara VK, Halim I, Stanley W, Prabhu M, & Mukhopadhyay C. (2016). A rare glimpse into the morbid world of necrotising fasciitis. Indian journal of medical microbiology, 27514968.
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