Antibiotics are medications used to fight infections caused by bacteria. They treat infections by killing or decreasing the growth of bacteria. The first modern-day antibiotic was used in Before antibiotics, 30 percent of all deaths were caused by bacterial infections. Thanks to antibiotics, previously fatal infections are curable. Today, antibiotics are still powerful, life-saving medications for people with certain serious infections. They can also prevent less-serious infections from becoming serious.
Become a Member. These bacteria often infect your bloodstream, urinary tract, or surgical treatments for certain conditions. Because of antibiotic resistance, more. The effects may be gradual.
Nov 05, Cedars-Sinai Staff. It’s a common misconception that if you’re feeling sick, you should take antibiotics. They can help in some cases, but taking them when it’s not necessary can lead to serious consequences. Bacteria are small organisms that usually cannot be seen with the naked eye.