
Cellulitis is a bacterial skin infection that can cause skin to become swollen, painful, discoloured, and warm to the touch. It is caused by bacteria entering the skin through a break in its surface, often as a result of injury, surgery, or a skin condition. While it can occur anywhere on the body, it most commonly affects the lower legs and feet. The infection can cause flu-like symptoms, including fever, chills, sweats, and body aches. If left untreated, cellulitis can spread to other parts of the body and cause serious complications, such as sepsis. Therefore, it is important to seek medical attention promptly if you suspect you have cellulitis.
| Characteristics | Values |
|---|---|
| Cause | Caused by bacteria entering the skin through a break in its surface |
| Common Bacteria | Staphylococcus, Streptococcus (Strep), and Methicillin-resistant Staphylococcus aureus (MRSA) |
| Risk Factors | Skin conditions like eczema or athlete's foot, weakened immune system, diabetes, vascular disease, history of cellulitis, being overweight |
| Symptoms | Pain, swelling, skin rash, redness, warm skin, muscle and/or joint pain, fever, nausea, chills, sweats, blisters, skin dimpling, drowsiness, lethargy |
| Treatment | Antibiotics, blood tests, skin tests, bacterial culture, warm compress, elevation, compression, NSAIDs |
| Prevention | Good hygiene, cleaning wounds, covering wounds with bandages, trimming nails |
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What You'll Learn

Cellulitis is a bacterial skin infection
Anyone can get cellulitis, but certain factors increase the risk of developing the infection. For example, having a skin condition like eczema, athlete's foot, or impetigo can make you more susceptible, as bacteria can enter the skin through cracks caused by these conditions. Additionally, a weakened immune system increases the risk of cellulitis as the body cannot provide as much protection against the infection. Conditions such as diabetes, leukemia, and HIV/AIDS can weaken the immune system, as can certain medications. Other risk factors include being overweight and having a history of cellulitis.
If left untreated, cellulitis can spread to other parts of the body, including the tissue under the skin, lymph nodes, and bloodstream. This can lead to serious complications, such as bacteremia, endocarditis, osteomyelitis, toxic shock syndrome, or sepsis, or even death. Therefore, it is important to seek medical attention promptly if you suspect you have cellulitis. Doctors typically treat cellulitis with antibiotics, and most people recover without incident. However, severe cases may require hospitalisation and intravenous antibiotics.
To prevent cellulitis, it is essential to practise good hygiene and skin care. This includes washing your hands regularly, keeping your nails clean and trimmed, and showering regularly. It is also important to keep wounds clean and covered with a bandage, and to watch for any signs of infection, such as irritation, pain, or pus. Repeated episodes of cellulitis may cause long-term swelling of the affected limb, and your healthcare provider may recommend taking antibiotics to prevent recurrence.
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It can cause flu-like symptoms
Cellulitis is a bacterial skin infection that can cause skin to become painful, swollen, and discoloured. It is caused by bacteria entering the skin through a break in its surface. While it can occur anywhere on the body, it most commonly affects the lower legs and feet.
Cellulitis can cause flu-like symptoms, including a fever, chills, sweats, body aches, and fatigue. A fever higher than 100 degrees Fahrenheit (38 degrees Celsius) is a common symptom of cellulitis. Other flu-like symptoms such as chills and sweats can also occur. Body aches and fatigue are also common when experiencing cellulitis.
The flu-like symptoms associated with cellulitis can be quite severe and may require medical attention. If left untreated, cellulitis can spread to other parts of the body and cause serious complications. Repeated episodes of cellulitis can cause long-term swelling of the affected limb and enlargement of the lymph nodes. Therefore, it is important to seek medical attention if you are experiencing any symptoms of cellulitis.
The risk of developing cellulitis is higher if you have a skin wound that allows bacteria to enter your body easily or if you have a weakened immune system. Certain skin conditions, such as eczema or athlete's foot, can also increase the risk of developing cellulitis. Maintaining good hygiene and skin care practices can help reduce the risk of cellulitis.
If you suspect you have cellulitis, it is important to see a doctor promptly for diagnosis and treatment. Doctors will typically prescribe antibiotics to treat cellulitis, and most people recover without incident. However, severe cases of cellulitis may require hospitalisation and intravenous antibiotics.
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It can spread to other body parts
Cellulitis is a bacterial skin infection that can cause skin to become swollen, painful, discoloured, warm to the touch, and tender. It is caused by bacteria entering the skin through a break in its surface, such as a cut, fracture, burn, scrape, insect bite, or surgical wound. While it most commonly affects the lower legs, feet, and toes, it can occur anywhere on the body, including the face.
If left untreated, cellulitis can spread to other body parts and cause serious complications. It can spread to the tissue under the skin, the lymph nodes, and the bloodstream, potentially leading to sepsis, bacteremia, endocarditis, osteomyelitis, toxic shock syndrome, or even death. Repeated episodes of cellulitis can cause long-term swelling of the affected limb due to enlarged lymph nodes.
The risk of cellulitis spreading is higher if the individual has a weakened immune system due to conditions such as diabetes, leukemia, or HIV/AIDS, or certain medications. Additionally, those with skin conditions such as eczema, athlete's foot, or shingles are at increased risk as bacteria can enter through cracks in the skin caused by these conditions.
To prevent the spread of cellulitis, early diagnosis and treatment are crucial. Diagnostic tests such as blood tests, skin tests, and bacterial cultures may be used to confirm the presence of bacteria and identify the specific type. Treatment typically includes antibiotics, and in severe cases, hospitalisation may be required for intravenous antibiotics.
Practising good hygiene and skin care can also help prevent the spread of cellulitis. This includes regularly washing hands, cleaning and trimming nails, showering, and keeping wounds clean and covered with a bandage.
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It can be treated with antibiotics
Cellulitis is a bacterial skin infection that can cause skin to become swollen, painful, and discoloured. It can develop anywhere on the body but is most common on the lower legs and feet. It is usually caused when bacteria enter the body through a break in the skin, such as a cut, fracture, burn, scrape, or insect bite.
Cellulitis can cause muscle and joint pain, as well as fatigue. If left untreated, the infection can spread and cause serious complications, including sepsis. It is therefore important to treat cellulitis early to prevent it from spreading. Repeated episodes of cellulitis may cause the lymph nodes to enlarge, leading to long-term swelling of the affected limb.
Cellulitis is typically treated with antibiotics, which help to clear up the bacterial infection. Doctors may prescribe oral antibiotics, such as dicloxacillin or cephalexin, which are taken at home for a minimum of five days. In more severe cases, intravenous antibiotics may be necessary. Antibiotics are chosen based on the type of bacteria causing the infection, which can be identified through blood and skin tests.
In addition to antibiotics, a warm compress, elevation, compression, and NSAIDs can help to relieve symptoms. Good hygiene and skincare are also important for preventing cellulitis. It is recommended to wash wounds daily with soap and water, apply a cream or ointment, and cover the wound with a bandage that should be changed daily.
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It can be prevented with good hygiene
Cellulitis is a bacterial skin infection that can cause skin to become painful, swollen, and discoloured. It occurs when bacteria enter the body through a crack or break in the skin. While anyone can get cellulitis, the risk is higher if you have a skin wound or a weakened immune system.
Good hygiene and skin care can help prevent cellulitis. Here are some ways to maintain good hygiene and prevent cellulitis:
Wash Your Hands Regularly
Washing your hands frequently with soap and warm water can help prevent the spread of bacteria and reduce the risk of infection.
Keep Wounds Clean
Clean any wounds with water and antibacterial soap to prevent bacteria from entering and causing an infection. Ensure that you gently wash wounds daily as part of your regular bathing routine.
Cover Wounds with a Bandage
After cleaning a wound, cover it with a clean bandage to protect it from dirt and bacteria. Change the bandage at least once a day, or whenever it becomes dirty or wet.
Trim Your Nails Carefully
When trimming your fingernails and toenails, be careful not to cut the surrounding skin. Well-groomed nails can help prevent skin injuries and reduce the risk of bacterial entry.
Moisturize Your Skin
Moisturizing your skin daily helps prevent dryness, cracking, and peeling, which can create entry points for bacteria. However, do not apply moisturizer to open sores or broken skin.
Wear Protective Gear
Protect your hands and feet by wearing appropriate footwear and gloves during activities that may cause skin injuries, such as gardening or sports.
Treat Skin Conditions Promptly
Skin conditions like athlete's foot, dermatitis, or eczema can cause breaks in the skin that allow bacteria to enter. Seek treatment for these conditions as soon as they occur to reduce the risk of cellulitis.
By following these hygiene and skin care tips, you can help prevent cellulitis and protect your skin from bacterial infections. Remember to always consult with a healthcare professional if you have any concerns or notice any signs of infection.
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Frequently asked questions
Cellulitis is a bacterial skin infection that can cause skin to become painful, discoloured, swollen, and tender. It is caused by bacteria entering the skin through a break in its surface.
Yes, cellulitis can cause muscle and/or joint pain. It can also cause flu-like symptoms, including fever, chills, sweats, and fatigue.
Cellulitis is typically treated with antibiotics. In less severe cases, oral antibiotics may be used, while more serious infections may require intravenous antibiotics.
Good hygiene and skin care can help prevent cellulitis. It is important to wash your hands regularly, keep your nails short and clean, and pay attention to any breaks in the skin for signs of infection. Keeping wounds clean and covered with a bandage can also help to prevent cellulitis.






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