Before getting into a panic and hurrying up to the surgeons with the desire to treat MRSA, it is important to make sure the person is dealing with exactly these bacteria. The problem may start as a typical infection in the nose or elsewhere. Usually, it is visually noticeable on the skin. The signs depend on the damaged part of the body. It is important not to leave even insignificant, tiny scratches or wounds without attention as the MRSA infection can penetrate the body through these scrapes.