Sexually Transmitted Gut Infection Spreads Rapidly Across the UK
The topic of Sexually Transmitted Gut Infection raises many questions. Health experts are raising concerns over a significant rise in cases of a bacterial gut infection that can be transmitted through sexual activity. New data indicates that the sexually transmitted form of the infection is spreading at a rate more than double that of other strains, while also showing increasing resistance to antibiotic treatments.
The infection, known as Shigella, causes severe diarrhea, stomach cramps, and fever. Although most individuals recover within a week, the bacteria are responsible for over 200,000 deaths globally each year, often resulting from severe dehydration, malnutrition, or intestinal perforation.
Infection Rates Continue to Climb
Official figures for England show a steady increase in sexually transmitted Shigella cases. In 2025, there were 2,560 recorded cases, a rise from 2,318 in the previous year and 2,052 in 2023. This upward trend highlights the growing challenge facing public health officials.
The transmission of Shigella occurs through the fecal-oral route, where bacteria pass from feces to the mouth. In sexual contexts, this can happen through anal sex, oral-anal contact, or fingering followed by mouth contact. Health professionals identify oral-anal contact as the highest-risk activity for contracting this particular infection.
New Research Highlights Faster Spread
A comprehensive study conducted by researchers at the University of Cambridge in collaboration with the UK Health Security Agency examined over 3,500 Shigella samples collected across the UK from 2004 to 2020. The findings revealed that sexually transmitted strains spread more than twice as quickly geographically compared to other cases.
The study found that sexually transmitted strains traveled an average of 117 kilometers over a two-and-a-half-year period, whereas non-sexually transmitted cases spread only 46 kilometers in the same timeframe. Professor Kate Baker, senior author of the study, emphasized that sexual transmission has become a permanent part of Shigella spread in the UK, requiring dedicated surveillance and treatment approaches.
Recognizing Symptoms and Seeking Care
Medical professionals advise that symptoms typically appear within days of exposure. Common signs include sudden onset diarrhea, abdominal cramping, fever, and sometimes the presence of blood or mucus in the stool. These symptoms can be distressing and require proper medical attention.
Doctors recommend seeking medical care if persistent diarrhea continues, if signs of dehydration such as dizziness or reduced urine output occur, or if significant blood appears in the stool. Early intervention can prevent complications and reduce the risk of further transmission.
Sexually Transmitted Gut Infection: Prevention Measures and Advice
To minimize the risk of infection, health experts stress the importance of frequent handwashing, particularly after using the toilet and before preparing food. Safe food handling practices and access to clean drinking water, especially when traveling, are also essential preventive measures.
For individuals who may have contracted the infection through sexual contact, doctors advise abstaining from sexual activity until all symptoms have completely resolved. Thorough handwashing before and after sexual activities is also strongly recommended to prevent the spread of the bacteria to others.