Staph infections can cause less serious skin and soft tissue infections, such as boils or impetigo, which can go away on their own or with antibiotic treatment. Less commonly, staph bacteria can cause serious and potentially life-threatening infections, such as cellulitis, blood poisoning, septic arthritis, endocarditis and toxic shock syndrome. See your doctor or go to a hospital if you think you have a staph infection and: it is getting worse it is spreading quickly it has lasted more than a week you have a weakened immune system ::: body-ad-desktop zones:: 232632,232343,227373,232640 types:: 163 disclaimer:: AD typeFilter:: native adCount:: 3 ::: ::: body-ad-mobile zones:: 232632,232343,227373,232642 types:: 5 disclaimer:: ADVERTISEMENT typeFilter:: display adCount:: 1 :::