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Explaining Superbug Staph Infection

Armen Hareyan's picture

Staph (pronounced "staff") is medical quick speak for staphylococcus aureus bacteria. This pesky little bacterium is very common (many people have some living on their skin all the time), but when it enters the human body, usually through an open cut or break in the skin, it can cause infection and trouble anywhere in the body. Staph infections (also called superbug) tend to be pus-producing. Common minor (or relatively minor) skin infections caused by staph include:

Infections of hair follicles that cause itchy white pus-filled bumps on the skin (often where people shave or have irritations from skin rubbing against clothes)

Infections deeper within hair follicles that leave large, frequently red inflammations (often occur on the face or neck)

Infection of the follicle surrounding the eyelashes, causing a sore red bump in the eyelid

The infection kids often get around their mouths and noses that causes blisters and red scabby skin

Infection characterized by pus and swelling that can occur in the skin and in any other organ.

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Staph infection is also the leading culprit behind cases of food poisoning, and can be to blame for larger life threatening conditions, such as Toxic Shock Syndrome (TSS), pneumonia, bone infections (osteomyelitis), mastitis in nursing mothers, endocarditis (infection of the inside of the heart), and bacteremia (blood infection). People who are otherwise healthy typically do not usually become severely ill from staph infections, but those at special risk, who have weakened immune systems, include:

* persons with chronic illnesses, such as diabetes, cancer, lung disease, kidney disease, or HIV/AIDS
* people with various skin conditions
* the elderly
* newborns
* people recovering from major surgery
* injection drug users (especially those who reuse needles)
* people whose immune systems are weakened due to steroid use, radiation therapy, cancer treatment, immunosuppressive medications
* women who are breastfeeding

Health care professionals can determine that staph (and not some other bacteria) is the cause of an infection by taking a culture (usually a swab from what looks like a giant Q-tip) from the infected site. Once staph has been diagnosed, the provider will prescribe antibiotics that are known to work on that specific strain of the bacteria. These antibiotics (usually either pills or creams applied to the infected body part) typically kill the bacteria and cure the infection within a week or two.

Hospitals are working to stamp out staph infections, in part because the majority of hospital patients fall into at least one "at-risk" category, but also because drug-resistant strains of staph (versions of the bacteria that aren't killed by one or more of the antibiotics that are commonly used to treat staph infections) are becoming an increasingly common threat. These drug-resistant strains of staph do not cause worse or different infections than non-resistant strains, but they can be much harder to treat because the most common (and easiest to use) antibiotics may not be effective. People with resistant staph infections may require hospitalization to receive antibiotics through an IV or by injection.

Because improper use of antibiotics can help produce resistance to drugs, making future infections much harder to treat, the American Medical Association recommends that patients:

* follow the directions for any prescription exactly
* take all of the medicine prescribed (even if one feels better after only a few days)
* never save old, leftover prescriptions for future use
* never take anyone else's prescription antibiotics

Other preventative measures of staph infection are careful treatment of all skin conditions, including wound care after trauma or surgery, IV drug users taking precautions when injecting, and people with special risk factors being attentive to early symptoms of staph.