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A single course of antibiotics raises the risk of developing sepsis by 70 per cent for a year after taking them, a new study has revealed.
Experts found that the risk of sepsis, which is fatal in around a fifth of cases, increased with the number of antibiotic courses a person took.
Scientists from the University of Manchester analysed 250,000 NHS patients who developed sepsis between January 2019 and June 2022 and compared them with a group of 1.3 million people who did not.
Their research revealed that people who had taken a single one or two-week course of antibiotic tablets within the previous 12 months were 70 per cent more likely to develop sepsis than those who did not use them at all.
The risk increased with the number of times a person used antibiotics.
Those who took two or three antibiotic courses within the year were at 130 per cent greater risk, while those who took antibiotics four or more times were at more than triple the risk of developing sepsis.
The risk rose even further for those who had taken antibiotics within the last six weeks, with a single use leading to an almost four time increase in risk of sepsis, and four or more courses leading to a more than six-fold increase compared with someone who had taken none.
The scientists behind the study said the exposure to antibiotics and “adverse effects on the beneficial bacteria in the gut could lead to increased susceptibility to infection”.
Xiaomin Zhong, co-author and PhD researcher, said there may also be “underlying differences” in people’s immune systems that make them predisposed to having more infections.
There are around 250,000 cases of sepsis every year in Britain, with around 50,000 people dying from the infection - more than bowel, breast and prostate cancer combined.
It can start with a minor bacterial infection, such as a simple cut or chest infection, and is hard to diagnose, with nondescript symptoms like drowsiness, nausea, vomiting, breathlessness and pain, among those that can take hold.
It occurs when the body’s immune system overreacts to the threat and begins attacking its own tissues and organs and requires emergency intervention, including fluids and antibiotics, otherwise it can cause multiple organ failure and death.
More here
Experts found that the risk of sepsis, which is fatal in around a fifth of cases, increased with the number of antibiotic courses a person took.
Scientists from the University of Manchester analysed 250,000 NHS patients who developed sepsis between January 2019 and June 2022 and compared them with a group of 1.3 million people who did not.
Their research revealed that people who had taken a single one or two-week course of antibiotic tablets within the previous 12 months were 70 per cent more likely to develop sepsis than those who did not use them at all.
The risk increased with the number of times a person used antibiotics.
Those who took two or three antibiotic courses within the year were at 130 per cent greater risk, while those who took antibiotics four or more times were at more than triple the risk of developing sepsis.
The risk rose even further for those who had taken antibiotics within the last six weeks, with a single use leading to an almost four time increase in risk of sepsis, and four or more courses leading to a more than six-fold increase compared with someone who had taken none.
The scientists behind the study said the exposure to antibiotics and “adverse effects on the beneficial bacteria in the gut could lead to increased susceptibility to infection”.
Xiaomin Zhong, co-author and PhD researcher, said there may also be “underlying differences” in people’s immune systems that make them predisposed to having more infections.
There are around 250,000 cases of sepsis every year in Britain, with around 50,000 people dying from the infection - more than bowel, breast and prostate cancer combined.
It can start with a minor bacterial infection, such as a simple cut or chest infection, and is hard to diagnose, with nondescript symptoms like drowsiness, nausea, vomiting, breathlessness and pain, among those that can take hold.
It occurs when the body’s immune system overreacts to the threat and begins attacking its own tissues and organs and requires emergency intervention, including fluids and antibiotics, otherwise it can cause multiple organ failure and death.
More here