Gut Bug Grows Tougher: Antibiotic Resistance Soars

Antibiotic-resistant strains of Shigella, a contagious gut infection, are on the rise, making treatment more challenging. Recent CDC data revealed that 8.5% of Shigella samples tested in 2023 were extensively drug-resistant (XDR), a significant jump from none reported between 2011 and 2015. This indicates a growing resistance problem rather than an increase in overall infections.

Shigella, causing diarrhea, fever, and cramps, can spread through contaminated food, water, unwashed hands, or sexual contact. While not a typical sexually transmitted infection, it can be transmitted when fecal matter contacts a partner's mouth during sex. Previously, outbreaks primarily affected children and involved antibiotic-susceptible strains.

The majority of XDR Shigella cases identified were among adult men, with nearly half of those with known HIV status living with HIV. People experiencing homelessness and those with weakened immune systems may also be at higher risk. Although no deaths were reported among the XDR cases analyzed, hospitalization rates were notable, with 37.6% of patients requiring admission.

Health experts urge concern, not panic, as most Shigella infections resolve on their own. However, severe cases may necessitate medical intervention. To reduce transmission risk, practicing good hygiene, including thorough handwashing before and after sex, using barriers like condoms, and cleaning sex toys are recommended. Avoiding sex if experiencing diarrhea and waiting at least two weeks after symptoms subside is also advised.