Overview. Staphylococcus aureus, often referred to as staph, is a very common bacteria. Approximately 25-30% of healthy people carry this organism on their skin or in their nose. Sometimes, staph causes an infection.Staph bacteria are the most common causes of skin infections in the United States.verview. Staphylococcus aureus, often referred to as staph, is a very common bacteria. Approximately 25-30% of healthy people carry this organism on their skin or in their nose. Sometimes, staph causes an infection.
Bacteria can often be killed by antibiotics because the cell wall on the outside is destroyed, expelling the DNA out of the body of the pathogen, therefore making the pathogen incapable of producing proteins and dies. Bacteria typically range between 1 and 5 micrometers in length.
Best Answer: It loses it potency. Which can cause the bacteria to not be killed completely, and they can become resistant to the antibiotics. Resistant bacteria can be very dangerous. They can cause super infections which are resistant to antibiotics and are Very difficult to kill. I work in a hospital and have seen people die from infections resistant to antibiotics because people did not use their antibiotics properly. if you are considering taking expired antibiotics, please do Not.