Treatment Choice - Treatment Choice | Compare Prices | Find Hospital | MRSA is a type of bacterial infection that is resistant to a number of widely used antibiotics. This means it can be more difficult to treat than other bacterial infections. <br/>The full name of MRSA is meticillin-resistant staphylococcus aureus. You may have heard it called a superbug.<br/>Staphylococcus aureus (also known as staph) is a common type of bacteria. It is often carried on the skin and inside the nostrils and throat, and can cause mild infections of the skin such as boils and impetigo.<br/>If staph bacteria get into a break in the skin, they can cause life-threatening infections, such as blood poisoning or endocarditis (an infection of the inner lining of the heart).