You may have heard MRSA called a superbug. These bacteria cause potentially deadly staph infections that are resistant to common antibiotics. Stronger antibiotics may be needed to treat MRSA. Prevention tactics include keeping all wounds covered and practicing good handwashing techniques. Show
OverviewWhat is MRSA?MRSA stands for Methicillin-resistant Staphylococcus aureus. It is a type of Staphylococcus aureus bacterium. These bacteria are resistant to common antibiotics, including methicillin. You may have read about MRSA being a superbug. What is Staphylococcus aureus (staph)?Staphylococcus aureus (staph) bacteria live in the nose or on skin. You can harbor staph bacteria, including MRSA, and not know it. A healthcare expert might refer to this as bacterial colonization. Colonized people (carriers) may one day develop an MRSA infection, or they might stay healthy. Staph, including MRSA, bacteria live in these body parts:
How common is MRSA?Approximately 1 in 3 Americans are carriers of staph bacteria at any time. Up to half of these could be MRSA. It's important to emphasize that Staph aureus or MRSA carriage is not a disease. What are the types of MRSA infections?Two categories of MRSA are:
Who is at risk for MRSA infection?MRSA infection affects all ages and genders. Animals can carry MRSA, although they often get it from people. Intravenous drug users who share needles are 16 times more likely to get MRSA infection. Certain workers and members of the community are more at risk for MRSA infection. These include:
Symptoms and CausesWhat is the relationship between MRSA colonization and infection?Many people who carry MRSA never get sick. The bacterium remains within the skin or mucosa where it has established colonization. Problems arise when MRSA on the skin surface in a colonized person enters the skin through a wound or other opening and invades deeper structures. How does MRSA spread?You can get colonized with MRSA through direct contact with an infected person or animal. MRSA can survive on surfaces for hours, sometimes weeks. You can pick up the bacteria by touching or sharing contaminated items, such as:
What are the symptoms of MRSA infection?MRSA can cause a skin rash or infection that looks like a spider bite or pimples. The red, swollen bumps may feel warm and be tender to touch. The rash may ooze. MRSA can also cause deeper infections in different parts of the body. In severe infections the bacterium may invade the bloodstream, a situation which would be called a bloodstream infection. Symptoms of bloodstream infection include fever and chills. Diagnosis and TestsHow is MRSA infection diagnosed?To diagnose an MRSA infection, your healthcare provider will take a small sample of skin or discharge from an open wound. Your provider may order a blood test called a blood culture. A lab checks for MRSA in these samples. Management and TreatmentWhat are different forms of MRSA infection?MRSA infections can occur at various sites and may be serious, even life-threatening. Important MRSA infections include:
How is MRSA infection managed or treated?The two principles of treating Staph aureus infections, including MRSA infections, are source control and antibiotic therapy:
What should I know about MRSA treatments?Milder infections can be treated with oral antibiotics (antibiotic pills). More severe infections may require intravenous antibiotic treatment. It is very important to take all of the antibiotics exactly as your healthcare provider prescribes. You should also call your provider if an infection doesn’t start to clear up within a few days of taking a prescribed antibiotic. You may need to go to the hospital for stronger intravenous antibiotics. PreventionHow can I prevent MRSA infections?You can lower your risk of getting MRSA by taking these steps:
Outlook / PrognosisWhat is the prognosis (outlook) for people who have a MRSA infection?Most MRSA skin infections clear up with treatment. MRSA is most dangerous if it enters the bloodstream. MRSA bloodstream infections can be serious. A bloodstream infection requires immediate medical attention. Living WithWhen should I call the doctor?You should call your healthcare provider if you experience:
What questions should I ask my doctor?You may want to ask your healthcare provider:
A note from Cleveland Clinic Many people carry Staph aureus or MRSA bacteria in their skin or noses for varying periods of time and never know it. This is not a problem. In some people, MRSA bacteria cause painful skin infections or more serious invasive infections. People in hospitals or nursing homes are at increased risk for MRSA infections. But you can pick up the bacteria in community settings, too. Contact your healthcare provider if you develop a skin infection or show signs of MRSA. Share Facebook Twitter LinkedIn Email Print Last reviewed by a Cleveland Clinic medical professional on 01/19/2021. References
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What are 3 symptoms of MRSA?For example, people with MRSA skin infections often can get swelling, warmth, redness, and pain in infected skin.. swollen.. painful.. warm to the touch.. full of pus or other drainage.. accompanied by a fever.. What does MRSA look like in adults?MRSA may look like a bump on the skin that may be red, swollen, warm to the touch, painful, filled with pus, or draining. The pus or drainage contains the infectious bacteria that can be spread to others. People with MRSA may have a fever.
Can you tell if someone has MRSA by looking at them?Having MRSA on your skin does not cause any symptoms and does not make you ill. You will not usually know if you have it unless you have a screening test before going into hospital. If MRSA gets deeper into your skin, it can cause: swelling.
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