Question

why antibiotic overused ​

Answer 1

Frequent and inappropriate use of antibiotics can cause bacteria or other microbes to change so antibiotics don't work against them. This is called bacterial resistance or antibiotic resistance. ... Because of antibiotic overuse, certain bacteria have become resistant to even the most powerful antibiotics available today.

Answer 2

Because of antibiotic overuse, certain bacteria have become resistant to even the most powerful antibiotics available today.