Pune: Doctors at the microbiology department of BJ Medical College have found a new method to examine susceptibility of colistin, a ‘last resort' antibiotic used for patients battling multi-drug resistant (MDR) infections.

The new method not only saves time but is also more accurate, ensuring the potent drug is given only to patients who will benefit, said the doctors who conducted the study.

But before administering colistin, which is highly nephrotoxic (damaging to the kidneys), it's important for doctors to confirm its effectiveness against the specific MDR infection to prevent adverse outcomes.

Until now, broth microdilution (BMD) remained the gold standard for testing colistin susceptibility. However, BMD is a labour-intensive method and not practical for routine use in many labo

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