antibiotic resistance

(redirected from Antibiotic-resistant bacteria)

antibiotic resistance

Infectious disease The relative or complete ability of an organism–bacterium, fungus to counteract the desired bacteriocidal or bacteriostatic effect of one or more antimicrobial agents
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

antibiotic resistance

The natural tendency for bacteria, under the processes of natural selection in an antibiotic-rich environment, to evolve in such a way as to become capable of surviving in spite of these drugs. Antibiotic resistance is a rapidly increasing problem largely as a result of worldwide misuse and overuse of antibiotics in conditions that do not require them. See also ANTIBIOTIC-RESISTANT STAPHYLOCOCCI.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Patient discussion about antibiotic resistance

Q. Are superbugs contagious through the air? Last week we visited my dad in the hospital, and we noticed that on the next room’s door there was a warning sign. After asking, we were told it was a denoting that the patient inside had a superbug (called klebsiella). On our way out we passed against this patient in the hallway – is it possible that I also carry this superbag? Is it dangerous?

A. Usually these bacteria are transmitted from person to person through direct contact, and less through the air. Moreover, these germs are dangerous in ill and debilitated patients, and not in normal healthy individuals.

Q. Why Is it Important to Not Use Antibiotics Often? Why is my doctor always so reluctant to prescribe me antibiotics?

A. Antibiotic resistance has become a serious problem in both developed and underdeveloped nations. By 1984 half of those with active tuberculosis in the United States had a strain that resisted at least one antibiotic. In certain settings, such as hospitals and some childcare locations, the rate of antibiotic resistance is so high that the usual, low-cost antibiotics are virtually useless for treatment of frequently seen infections. This leads to more frequent use of newer and more expensive compounds, which in turn leads to the rise of resistance to those drugs. A struggle to develop new antibiotics ensues to prevent losing future battles against infection. Therefore the doctors try to avoid using antibiotics when it is not necessary, and try to keep a certain limited use of these medications.

More discussions about antibiotic resistance
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References in periodicals archive ?
A CBC Marketplace investigation has found worrying levels of antibiotic-resistant bacteria on imported shrimp bought at major grocery stores across Canada.
The more often someone with a UTI is treated with antibiotics, the more likely she is to experience a recurrence due to the reservoir of antibiotic-resistant bacteria. In addition, since antibiotic treatment disrupts the urinary tract's healthy balance of microorganisms, the environment can become more conducive to the growth of disease-causing bacteria.
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When we take antibiotics for infections that would likely go away on their own, or accidentally skip a dose or don't take all the medicine, antibiotic-resistant bacteria develop and thrive.
- US-based clinical-stage biopharmaceutical development company SAB Biotherapeutics's first-in-human trial of new immunotherapy approach has shown efficacy in antibiotic-resistant bacteria based on a recent paper published online in Clinical Infectious Diseases, the company said.
gonorrhoeae from the Combating Antibiotic-Resistant Bacteria Biopharmaceutical Accelerator (CARB-X).
A meta-analysis conducted by researchers at the Columbia University School of Nursing found the prevalence of antibiotic-resistant bacteria colonization among sampled nursing home residents ranged from more than 11 percent to nearly 60 percent, with an average of 27 percent of residents affected.
Study suggests a new treatment for antibiotic-resistant bacteria and infectious disease.
In this study, the researchers investigated the possibility of recruiting phages in the fight against antibiotic-resistant bacteria, reviving the original idea of Felix d'Herelle, proposed in 1926.

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