Topic

Antibiotics

2 questions tagged Antibiotics — spanning every one of the seven Ws.

how

How do antibiotic-resistant bacteria make infections harder to treat?

They evolve changes that let them survive drugs that once killed them. That means doctors may need different medicines, combinations or longer treatment.

MedicineAntibiotics
when

When was the first antibiotic-resistant bacterium reported?

Antibiotic resistance was reported very soon after antibiotics began to be used, and penicillin resistance was recognized in the 1940s. Resistance has been observed repeatedly ever since bacteria began facing antimicrobial drugs.

ScienceAntibiotics