Man's Simple Foot Blister Turns Out to Be Deadly Flesh-Eating Bacteria

A Texas man who thought he had a simple blister on his foot turned out to have a life-threatening infection with flesh-eating bacteria, according to news reports.

The 26-year-old man, Raul Reyes, is a day care teacher in Houston, according to the Houston Chronicle. Reyes hurt his foot one day at work, and later noticed some swelling. A few days later, he developed a blister, which he thought was just caused by his shoes, Reyes' wife, Joseline, told the Chronicle. But when he woke up the next day, the blister had expanded to cover his entire foot, so he went to the emergency room, Joseline Reyes said.

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Several types of bacteria can cause necrotizing fasciitis, including group A Streptococcus (group A strep), Klebsiella, Clostridium, Escherichia coli and Staphylococcus aureus, according to the CDC. Most commonly, people get necrotizing fasciitis when the bacteria enter the body through a break in the skin, the CDC says. In Reyes' case, doctors suspect the bacteria got into his body through an open wound from an ingrown toenail, the Chronicle reported.

The bacteria can spread quickly once inside the body, and symptoms of necrotizing fasciitis can start within hours of an injury. The skin may become red or purplish from the infection, and some people get ulcers, blisters or black spots on their skin, according to the CDC. Patients with the infection often experience pain that they describe as hurting much more than they would expect based on how their wound looks, the CDC says.

Rachael is a Live Science contributor, and was a former channel editor and senior writer for Live Science between 2010 and 2022. She has a master's degree in journalism from New York University's Science, Health and Environmental Reporting Program. She also holds a B.S. in molecular biology and an M.S. in biology from the University of California, San Diego. Her work has appeared in Scienceline, The Washington Post and Scientific American.