Experts, including England's chief medical officer, Dame Sally Davies, writing in The Lancet, warn that death rates from bacterial infections "might return to those of the early 20th century".
Experts said that modern medicine has rarely faced such a grave threat, 'Belfasttelegraph.Co.Uk' reported.
"Without antibiotics, treatments from minor surgery to major transplants could become impossible, and health-care costs are likely to spiral as we resort to newer, more expensive antibiotics and sustain longer hospital admissions," experts added.
Improving hospital hygiene and incentivising the pharmaceutical industry to work on novel antibiotics and antibiotic alternatives, experts said.
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There are no reliable estimates of what resistance could cost health systems in the future, the report said.
Joanna Coast, professor of health economics at the University of Birmingham, said that the problem of resistance had the potential to "affect how entire health systems work".
"We don't know how big this is going to be. It's like the problems with planning for global warming. We know what the costs are now but we don't know what the costs will be into the future," Coast said.