Skin and soft tissue MRSA infections. If MRSA infects the skin, it can result in a wound infection, boil or abscess. If it infects the deeper layers of skin, it's known as cellulitis. Typical symptoms are: 1  redness. 2  swelling. 3  tenderness. 4  pain.5  a discharge of pus.f MRSA infects the skin, it can result in a wound infection, boil or abscess. If it infects the deeper layers of skin, it's known as cellulitis. Typical symptoms are: 1  redness. 2  swelling. 3  tenderness. 4  pain. 5  a discharge of pus.