What is methicillin-resistant staphylococcus aureus (MRSA)?

Methicillin-resistant staphylococcus aureus is a bacterial infection resistant to antibiotic methicillin. Staphylococcus aureus, sometimes referred to simply as "staph," or "staph A" is a common bacterium found on the skin of healthy people. If staph gets into the body it can cause a minor infection such as boils or pimples or serious infections such as pneumonia or blood infections. One antibiotic commonly used to treat staph infections is methicillin. While methicillin is very effective in treating most staph infections, some staph bacteria have developed a resistance to methicillin and can no longer be killed by this […]