Articles on Antibiotics

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Clostridium difficile bacteria causes diarrhea and inflammation of the colon. By Kateryna Kon/shutterstock.com

A novel ‘smart’ antibiotic may target most common bacterial infection contracted in US hospitals

A new type of antibiotic uses DNA to fight a common deadly microbe, Clostridium difficile. These new drugs are inexpensive and adaptable and can be modified to target any bacterium, lowering the chance of drug resistance.
Cattle that are grass-fed, antibiotic- and growth hormone-free gather at a farm in Oregon in 2015. There’s a debate over whether antibiotic use in livestock makes germs more resistant to the drugs, and results in infections being passed on to humans who consume the meat. (AP Photo/Don Ryan)

Why reducing antibiotics in farm animals isn’t as easy as it seems

The use of antibiotics in raising livestock is complex. We could be moving towards a less-than-ideal result due to poor understanding, over-simplistic messaging and a rush for competitive advantage.
Bacteria in the dish on the left are sensitive to antibiotics in the paper discs. The ones on the right are resistant to four of the seven antibiotics. Dr. Graham Beards

Bacteria may be powerful weapon against antibiotic resistance

Antibiotic-munching microbes may prove useful for mopping up contaminated water supplies and land.
Antibiotic resistance is not new but recent developments increase the urgency for action. Shutterstock

‘Super gonorrhoea’ raises the stakes in the war against superbugs

Superbugs used to pose the greatest risk to people with compromised immune systems and those who had surgery. But their sexual transmission means antibiotic resistance can spread much more widely.
Some patients may be prescribed antibiotics as preventatives, rather than to treat infections. from www.shutterstock.com.au

Drug resistance: how we keep track of whether antibiotics are being used responsibly

We know overuse and inappropriate use of antibiotics contribute to resistance, so it's important we develop strategies to improve practice.

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