Cellulitis is an infection of the skin and underlying tissues that can affect any area of the body. It often begins in an area of broken skin, like a cut or scratch. Then bacteria invade and spread, causing inflammation, pain, swelling, warmth, and redness.
Conditions that create breaks in the skin and allow bacteria to enter, such as eczema and severe acne, will put a child at risk for cellulitis. Chickenpox, scratched insect bites, animal bites, and puncture wounds are other causes.
Cellulitis also can form in areas of intact skin, especially in people who have diabetes or who are taking medicines that suppress the immune system.
Orbital cellulitis, which infects the eyelid and tissues surrounding the eye, requires particularly close monitoring. It can be caused by minor trauma to the area around the eye (such as an insect bite or a scratch) or be an extension of another infection, such as sinusitis. This kind of cellulitis is treated with antibiotics and close follow-up. If untreated, it can progress to a more serious infection that affects vision.
Cellulitis, which is not contagious, usually begins as a small, inflamed area of pain, swelling, warmth, and redness on the skin. As this red area begins to spread, the child may begin to feel sick and develop a fever, sometimes with chills and sweats. Swollen lymph nodes (commonly called swollen glands) are sometimes found near the area of infected skin.
You can prevent cellulitis by protecting your child's skin from cuts, bruises, and scrapes. This may not be easy, especially with active kids who love to explore or play sports. Protective equipment worn to prevent other injuries also can protect skin, such as elbow and knee pads for skating, a helmet for bike riding, shin guards for soccer, long pants and long-sleeved shirts for hiking in the woods, sandals (not bare feet) on the beach, and seatbelts while riding in a motor vehicle.
If your child does get a scrape, wash the wound well with soap and water. Apply an antibiotic ointment and cover the wound with an adhesive bandage or gauze. Contact your doctor if your child has a large cut, deep puncture wound, or bite (animal or human).
The incubation period for cellulitis varies, depending on the type of bacteria causing it. Your doctor can diagnose cellulitis by asking a few questions and examining the area of affected skin.
Sometimes, especially in younger kids, a blood culture may be done to check for bacteria growth. A positive blood culture means that bacteria from the skin infection have spread into the bloodstream, a condition known as bacteremia. This can potentially lead to septicemia, an infection affecting many systems of the body.
A child with severe cellulitis may be treated in the hospital using intravenous (IV) antibiotics. Kids with milder cellulitis can be treated at home with antibiotics. The doctor also may recommend keeping the affected part of the body immobilized and elevated to reduce swelling and pain. Pain relievers such as acetaminophen or ibuprofen can help reduce discomfort.
After 1 or 2 days on antibiotics at home, a child will return to see the doctor, who'll check to see that the area of cellulitis has improved and that the antibiotics are working to heal the infection.
Call the doctor whenever any area of your child's skin becomes red, warm, and painful — with or without fever and chills. This is especially important if the affected skin is on the face or if your child has a chronic illness (like diabetes) or a condition that suppresses the immune system.
Because cellulitis can happen very quickly after an animal bite, call the doctor if your child is bitten by an animal, especially if the puncture wound is deep. Human bites also can cause skin infections and should be seen by a doctor. If red streaks develop from the infected area or symptoms worsen despite antibiotic treatment, your child should be re-examined.
Reviewed by: Catherine L. Lamprecht, MD
Date reviewed: October 2013
|Centers for Disease Control and Prevention (CDC) The CDC (the national public health institute of the United States) promotes health and quality of life by preventing and controlling disease, injury, and disability.|
|American Academy of Dermatology Provides up-to-date information on the treatment and management of disorders of the skin, hair, and nails.|
|Cellulitis Cellulitis is a skin infection that involves areas of tissue just below the skin's surface. It can affect any part of the body, but it's most common on exposed areas, such as the face, arms, or lower legs.|
|Cellulitis Cellulitis is a serious infection that can be mistaken for a bruise, scrape, or insect bite. Find out more in this article for kids.|
|Osteomyelitis Osteomyelitis is a bone infection caused by germs entering the body's tissues through an open wound. The easiest way to prevent it is to practice good hygiene.|
|Osteomyelitis Sometimes a bad cut that gets infected can lead to even worse things, like a bone infection called osteomyelitis. The easiest way to protect yourself is to practice good hygiene.|
|Wound Healing and Care How well a wound heals depends on where it is on the body and what caused it – as well as how well someone cares for the wound at home. Find out what to do in this article for teens.|
|A to Z: Cellulitis, Orbital Learn about orbital cellulitis, a dangerous infection affecting the eye and its surrounding tissue and skin.|
|Dealing With Cuts and Wounds Most cuts can be safely treated at home, but deep cuts and certain other injuries require medical treatment. Find out what to do by reading this printable instruction sheet.|
|Household Safety: Preventing Cuts It's important to protect kids from sharp and dangerous items around and outside the home. Here are ways to prevent cuts and other injuries.|
|Dealing With Cuts Find out how to handle minor cuts at home - and when to seek professional treatment.|
|Why Should I Care About Germs? Germs are tiny organisms that can cause disease - and they're so small that they can creep into your system without you noticing. Find out how to protect yourself.|
|Bites and Scratches Animal bites and scratches, even minor ones, can become infected and spread bacteria to other parts of the body, regardless of whether the animal is a family pet or a wild animal.|
|Bug Bites and Stings In most cases, bug bites and stings are just nuisances. But in some cases, they can cause infections and allergic reactions. It's important to know the signs, and when to get medical attention.|
|First Aid: Animal Bites Animal bites and scratches that break the skin can cause infection. Rarely, animal bites can cause rabies, a dangerous, life-threatening disease.|
|First Aid: Insect Stings and Bites Being stung by a bug is often just irritating and doesn't require medical treatment. But kids who are highly allergic to stings may need emergency medical care.|
|Checking Out Cuts, Scratches, and Abrasions If you're wearing a bandage right now, chances are you have a cut, scratch, or abrasion. Find out more about them in this article for kids.|
|Abscess An abscess is a pocket of pus that forms in the body. Find out how to spot a skin abscess and when to call the doctor.|
|Staph Infections When skin is punctured or broken for any reason, staph bacteria can enter the wound and cause an infection. But good hygiene can prevent many staph infections. Learn more.|
|Staph Infections Staph bacteria can live harmlessly on many skin surfaces. But the bacteria can get into wounds and cause an infection. Get the details in this article for teens.|
|Abscess An abscess is a sign of an infection, usually on the skin. Find out what to do if your child develops one.|
|Abscess People can get abscesses on the skin, under the skin, in a tooth, or even inside the body. Most abscesses are caused by infection, so it can help to know what to do. Find out in this article for teens.|
|What Are Germs? You know they can hurt you, but what are these invisible creatures? Find out in this article for kids.|
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