Antibiotic Resistance What is E. coli most resistant to? February 4, 2026 by Tanp | Leave a Comment What Is E. coli Most Resistant To? E. coli, a common bacterium found in the intestines of humans and animals, is increasingly resistant to certain antibiotics, posing a challenge for treatment. The bacterium is most resistant to antibiotics such as ampicillin, tetracycline, and trimethoprim-sulfamethoxazole due to overuse and misuse in both healthcare and agriculture. Understanding […] Read more ยป