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Infections

  • A to Z: Cat Scratch Disease A to Z: Cat Scratch Disease

    Cat scratch disease is an infection caused by the bacterium Bartonella henselae. It comes from a scratch or bite of an infected cat, usually a kitten.

  • A to Z: Otitis Media (Ear Infection) A to Z: Otitis Media (Ear Infection)

    Learn more about otitis media, an infection of the middle ear.

  • A to Z: Yeast Infection A to Z: Yeast Infection

    See: Candidiasis.

  • Adenovirus Adenovirus

    Adenoviruses account for about 10% of acute respiratory infections in kids and are a frequent cause of diarrhea.

  • Bronchiolitis Bronchiolitis

    Bronchiolitis is a common illness of the respiratory tract caused by an infection that affects tiny airways - the bronchioles - that lead to the lungs.

  • Campylobacter Infections Campylobacter Infections

    These bacterial infections can cause diarrhea, cramping, abdominal pain, and fever. Good hand-washing and food safety habits can help prevent them.

  • Cat Scratch Disease Cat Scratch Disease

    Cat scratch disease is an infection that causes swelling of the lymph nodes after a cat scratch or bite. Learn about signs and symptoms, prevention, treatment, and more.

  • Cellulitis Cellulitis

    Cellulitis is an infection of the skin and underlying tissues that can affect any area of the body. It begins in an area of broken skin, like a cut or scratch.

  • Chickenpox Chickenpox

    Chickenpox used to be common in kids, causing a very itchy red rash all over the body. But the good news is that a vaccine can prevent most cases.

  • Chlamydia Chlamydia

    Chlamydia is an STD caused by bacteria. It's important to know the symptoms, as treatment can prevent the infection from leading to other health problems.

  • Cold Sores Cold Sores

    Cold sores are small and painful blisters that appear around the mouth, face, or nose. They're very common and, while uncomfortable, usually go away on their own.

  • Colds Colds

    Colds are the most common infectious disease in the United States - and the top reason kids visit the doctor and miss school.

  • Coxsackievirus Infections Coxsackievirus Infections

    Coxsackievirus infections can spread from person to person. In most cases, the viruses cause mild flu-like symptoms, but can lead to more serious infections.

  • Croup Croup

    Croup often causes kids to have a loud cough that sounds like a seal barking. Most cases of croup are caused by viruses, are mild, and can be treated at home.

  • Cytomegalovirus (CMV) Cytomegalovirus (CMV)

    This virus poses few risks to healthy kids, but can cause serious health problems in unborn babies and kids with a weak immune system.

  • Dengue Fever Dengue Fever

    You're not at risk of this illness in the U.S., but if you live in or are traveling to a tropical country it's wise to take precautions against this virus.

  • Diphtheria Diphtheria

    Diphtheria is a bacterial infection that's rare in the United States, where health officials immunize kids against it. But it's still common in developing countries where immunizations aren't given routinely.

  • Does Sunlight Cause Problems With Chickenpox? Does Sunlight Cause Problems With Chickenpox?

    Find out what the experts have to say.

  • E. Coli E. Coli

    Undercooked burgers and unwashed produce are among the foods that can harbor E. coli bacteria and lead to infection marked by severe diarrhea. Here's how to protect your family.

  • Ebola Ebola

    Although outbreaks of Ebola may occur in parts of the world, there's no reason to panic. When people with Ebola are correctly diagnosed, isolated, and cared for, the risk of passing the disease to others is low.

  • Encephalitis Encephalitis

    Encephalitis is a rare brain inflammation caused by a virus. The best way to avoid encephalitis is to prevent the illnesses that may lead to it.

  • Fevers Fevers

    Fevers happen when the body's internal "thermostat" raises the body temperature above normal. This is often the body's way of fighting infections.

  • Fifth Disease Fifth Disease

    Especially common in kids between the ages of 5 and 15, fifth disease is a viral illness that produces a distinctive red rash on the face, body, arms, and legs.

  • Food Poisoning Food Poisoning

    Sometimes, germs can get into food and cause food poisoning. Find out what to do if your child gets food poisoning - and how to prevent it.

  • Genital Herpes Genital Herpes

    Genital herpes is a sexually transmitted disease (STD) that's usually caused by the herpes simplex virus type 2 (HSV-2).

  • Genital Warts (HPV) Genital Warts (HPV)

    Genital warts are caused by certain types of the human papillomavirus (HPV), which is one of the most common STDs. A vaccine can prevent HPV infection, which causes most genital warts and cervical cancers.

  • Gonorrhea Gonorrhea

    Gonorrhea is a sexually transmitted disease (STD). Many people with gonorrhea have no symptoms. They can spread the infection to others without knowing it.

  • Hand, Foot, and Mouth Disease Hand, Foot, and Mouth Disease

    Hand, foot, and mouth disease (HFM) is a common viral infection that causes painful red blisters in the mouth and throat, and on the hands, feet, and diaper area.

  • Helicobacter pylori Helicobacter pylori

    H. pylori bacteria can cause digestive illnesses, including gastritis and peptic ulcer disease.

  • Hepatitis Hepatitis

    Hepatitis is an inflammation of the liver. Most cases are caused by a virus — either hepatitis A, hepatitis B, or hepatitis C — all of which can be passed to others by someone who is infected.

  • Hepatitis A Hepatitis A

    Hepatitis A is a contagious liver infection caused by the hepatitis A virus (HAV). The hepatitis A vaccine has helped to make the infection rare in the United States.

  • Hepatitis B Hepatitis B

    Hepatitis B virus (HBV) spreads from person to person through blood or other body fluids. A vaccine is approved for people of all ages to prevent HBV infection.

  • Hepatitis C Hepatitis C

    The hepatitis C virus (HCV) spreads through blood or other body fluids, and can lead to cirrhosis or liver cancer. The most common way people become infected is by sharing drug paraphernalia.

  • Hib Disease (Haemophilus Influenzae Type b) Hib Disease (Haemophilus Influenzae Type b)

    Hib disease can cause serious illnesses like meningitis and pneumonia. To protect kids from this bacterial infection, they should receive the Hib vaccine as infants.

  • HIV and AIDS HIV and AIDS

    Parents can help prevent HIV/AIDS by learning the facts and talking with their kids regularly about healthy behaviors, feelings, and sexuality.

  • How to Take Your Child's Temperature How to Take Your Child's Temperature

    All kids get a fever from time to time. Here's how to take your child's temperature, safely and accurately.

  • Impetigo Impetigo

    Impetigo is a contagious skin infection that causes blisters or sores on the face, neck, hands, and diaper area. Learn how this common problem is treated and what can help prevent it.

  • Infant Botulism Infant Botulism

    Infant botulism can occur when a newborn ingests bacteria that produce toxins inside the body. It's very rare and most babies who do get botulism recover fully.

  • Infections That Pets Carry Infections That Pets Carry

    Kids can benefit from the companionship, affection, and relationships they share with pets. But it's important to know how to protect your family from infections carried by pets and other animals.

  • Influenza (Flu) Influenza (Flu)

    Flu symptoms tend to develop quickly and are usually more severe than the typical sneezing and stuffiness of a cold. Yearly vaccination is the best protection against the flu.

  • Listeria Infections Listeria Infections

    Listeriosis is a serious infection caused by eating contaminated food. It mostly affects pregnant women, newborns, and adults with weakened immune systems. Here's how to protect your family.

  • Lyme Disease Lyme Disease

    Lyme disease can affect the skin, joints, nervous system, and other organ systems. If diagnosed quickly and treated with antibiotics, Lyme disease in kids is almost always treatable.

  • Mad Cow Disease Mad Cow Disease

    Mad cow disease has been in the headlines - but what is it, and how likely is it that your family will be affected by it?

  • Measles Measles

    Measles is best known for the skin rash it causes. Although rare, outbreaks can happen. Getting your kids fully vaccinated is the best way to protect them from this disease.

  • Meningitis Meningitis

    Meningitis is treatable, but can be serious. So it's important to know the symptoms, and get medical care right away if you think that your child has the illness.

  • Middle Ear Infections Middle Ear Infections

    Ear infections are common among kids and, often, painful. Find out what causes them and how they're treated.

  • Mononucleosis Mononucleosis

    Mononucleosis - or "mono" - is an infection that produces flu-like symptoms, and usually goes away on its own in a few weeks with the help of plenty of fluids and rest.

  • MRSA MRSA

    MRSA is a type of bacteria that the usual antibiotics can't tackle anymore. Simple precautions can help protect your kids from becoming infected.

  • Mumps Mumps

    Mumps is a viral infection that causes telltale swelling and pain in the salivary glands. With the help of the mumps vaccine, it's preventable.

  • Osteomyelitis Osteomyelitis

    Osteomyelitis is a bone infection that can happen when germs enter an open wound. The easiest way to prevent it is to keep skin clean.

  • Peritonsillar Abscess Peritonsillar Abscess

    Older kids and teens with tonsilitis sometimes develop this painful abscess, a pus-filled tissue at the back of the mouth.

  • Pinkeye (Conjunctivitis) Pinkeye (Conjunctivitis)

    Pinkeye, or conjunctivitis, is the most common eye infection affecting kids. Learn more about pinkeye and how to prevent it from spreading.

  • Polio Polio

    Polio is a contagious, historically devastating disease that was virtually eliminated from the Western hemisphere in the second half of the 20th century thanks to widespread vaccination.

  • Rabies Rabies

    Rabies is a serious infection of the nervous system that is caused by a virus. Rabies is usually transmitted by a bite from an infected animal.

  • Recurrent Urinary Tract Infections and Related Conditions Recurrent Urinary Tract Infections and Related Conditions

    Recurrent urinary tract infections can cause kidney damage if left untreated, especially in kids under age 6. Here's how to recognize the symptom of UTIs and get help for your child.

  • Respiratory Syncytial Virus Respiratory Syncytial Virus

    Respiratory syncytial virus (RSV) is a major cause of respiratory illness in young children. Learn how to recognize the signs and symptoms of this contagious infection.

  • Reye Syndrome Reye Syndrome

    Reye syndrome, an extremely rare but serious illness that can affect the brain and liver, occurs most commonly in kids recovering from a viral infection. Cases have dropped dramatically since the finding of a link between the illness and aspirin use in children.

  • Rocky Mountain Spotted Fever Rocky Mountain Spotted Fever

    Rocky Mountain spotted fever is an infection transmitted by ticks. Find out more about it - including how to prevent it.

  • Roseola Roseola

    Roseola is a viral illness that usually affects kids between 6 months and 3 years old. Learn its signs and symptoms when to call the doctor.

  • Rotavirus Rotavirus

    Rotavirus infection affects most kids and is one of the most common causes of diarrhea. A vaccine to prevent it is now recommended for all kids.

  • Rubella (German Measles) Rubella (German Measles)

    Rubella infection, or German measles, usually is a mild disease in kids that can be prevented with vaccination. Its primary medical danger is to pregnant women because it can affect developing babies.

  • Salmonella Infections Salmonella Infections

    Salmonellosis is a foodborne illness caused by the bacteria salmonella. Symptoms include nausea, vomiting, abdominal cramps, diarrhea, fever, and headache.

  • Scarlet Fever Scarlet Fever

    Scarlet fever is an illness caused by a strep infection. It causes a red, bumpy rash that spreads over most of the body, and is treated with antibiotics.

  • Shigella Infections Shigella Infections

    Shigella are bacteria that can infect the digestive tract and cause a wide range of symptoms, from diarrhea, cramping, vomiting, and nausea, to more serious complications and illnesses.

  • Shingles Shingles

    Shingles isn't very common in kids - it mostly affects older people. Find out what causes shingles, symptoms to watch for, and what to do if your child has it.

  • Sinusitis Sinusitis

    Sinus infections, or sinusitis, are common and easily treated.

  • Smallpox Smallpox

    If you're wondering what smallpox is and why people sometimes worry about it, get the facts here.

  • Staph Infections 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.

  • Strep Throat Strep Throat

    Strep throat is a common cause of sore throat in kids and teens. It usually requires treatment with antibiotics, but improves in a few days.

  • Swimmer's Ear (Otitis Externa) Swimmer's Ear (Otitis Externa)

    Swimmer's ear is an infection of the ear canal caused by many types of bacteria or fungi. Find out how to prevent it.

  • Syphilis Syphilis

    Syphilis is an STD that, if it goes untreated, can lead to serious health problems.

  • Talking to Your Kids About STDs Talking to Your Kids About STDs

    Your kids need to understand how STDs spread and how to protect themselves. Here's how to talk to them about sexually transmitted diseases.

  • Tetanus Tetanus

    Tetanus (also called lockjaw) is a preventable disease that affects the muscles and nerves, usually due to a contaminated wound.

  • Tonsillitis Tonsillitis

    Tonsillitis is an infection that makes tonsils swollen and red. It can cause a sore throat, fever, swollen glands, and trouble swallowing.

  • Toxic Shock Syndrome Toxic Shock Syndrome

    Toxic shock syndrome is a serious but uncommon bacterial infection. TSS is a medical emergency - symptoms include sudden high fever, a faint feeling, diarrhea, headache, and muscle aches.

  • Toxic Synovitis Toxic Synovitis

    Read about this temporary inflammation of the hip joint that affects young children.

  • Tuberculosis Tuberculosis

    Tuberculosis (TB) is making a comeback in the United States today - particularly among the homeless, those in prison, and those rendered susceptible because of HIV infection.

  • Urinary Tract Infections Urinary Tract Infections

    Urinary tract infections (UTIs) are common in kids. They're easy to treat and usually clear up in a week or so.

  • Warts Warts

    Many of us have had a wart somewhere on our bodies at some time. But other than being a nuisance, most warts are harmless.

  • West Nile Virus West Nile Virus

    The threat of West Nile virus has made getting a mosquito bite a cause for concern. What is West Nile virus, and what can you do to prevent it?

  • What Is "PANS"? What Is "PANS"?

    Find out what the experts have to say.

  • What Is Powassan Virus? What Is Powassan Virus?

    Find out what the experts have to say.

  • When and Where to Get Medical Care When and Where to Get Medical Care

    Should you head to the ER when your child is hurt or ill? What about an urgent care center? Different problems need different levels of care, and you have many options.

  • Whooping Cough (Pertussis) Whooping Cough (Pertussis)

    Pertussis is characterized by severe coughing spells that end in a whooping sound when the person breathes in. It can be prevented with the pertussis vaccine, part of the DTaP immunization.

  • Yersiniosis Yersiniosis

    Yersiniosis is an uncommon infection caused by the consumption of undercooked meat products, unpasteurized milk, or water contaminated by the bacteria.

  • Zika Virus Zika Virus

    With so much media coverage about Zika virus, it's natural to feel worried. The virus is of most concern for pregnant women and women who may become pregnant.

  • A to Z: Otitis Media (Ear Infection) A to Z: Otitis Media (Ear Infection)

    Learn more about otitis media, an infection of the middle ear.

  • Can Chronic Ear Infections Cause Long-Term Hearing Loss? Can Chronic Ear Infections Cause Long-Term Hearing Loss?

    Find out what the experts have to say.

  • Chickenpox Chickenpox

    Chickenpox used to be common in kids, causing a very itchy red rash all over the body. But the good news is that a vaccine can prevent most cases.

  • Cold Sores Cold Sores

    Cold sores are small and painful blisters that appear around the mouth, face, or nose. They're very common and, while uncomfortable, usually go away on their own.

  • Colds Colds

    Colds are the most common infectious disease in the United States - and the top reason kids visit the doctor and miss school.

  • Diarrhea Diarrhea

    Most kids battle diarrhea from time to time, so it's important to know what to do to relieve and even prevent it.

  • Does Sunlight Cause Problems With Chickenpox? Does Sunlight Cause Problems With Chickenpox?

    Find out what the experts have to say.

  • Fevers Fevers

    Fevers happen when the body's internal "thermostat" raises the body temperature above normal. This is often the body's way of fighting infections.

  • Flu Center Flu Center

    Learn all about protecting your family from the flu and what to do if your child gets flu-like symptoms.

  • Head Lice Head Lice

    Lice aren't dangerous and they don't spread disease, but they are contagious, annoying, and sometimes hard to get rid of. Learn more about this common childhood problem and how to get rid of those pesky little bugs.

  • How to Take Your Child's Temperature How to Take Your Child's Temperature

    All kids get a fever from time to time. Here's how to take your child's temperature, safely and accurately.

  • Is It a Cold or the Flu? Is It a Cold or the Flu?

    Your child is sent home from school with a sore throat, cough, and high fever - could it be the flu that's been going around? Or is it just a common cold? Find out here!

  • Middle Ear Infections Middle Ear Infections

    Ear infections are common among kids and, often, painful. Find out what causes them and how they're treated.

  • Mononucleosis Mononucleosis

    Mononucleosis - or "mono" - is an infection that produces flu-like symptoms, and usually goes away on its own in a few weeks with the help of plenty of fluids and rest.

  • Neonatal Infections Neonatal Infections

    The vast majority of newborns enter the world healthy. But sometimes, infants develop conditions that require medical tests and treatment.

  • Pinkeye (Conjunctivitis) Pinkeye (Conjunctivitis)

    Pinkeye, or conjunctivitis, is the most common eye infection affecting kids. Learn more about pinkeye and how to prevent it from spreading.

  • Urinary Tract Infections Urinary Tract Infections

    Urinary tract infections (UTIs) are common in kids. They're easy to treat and usually clear up in a week or so.

  • Pinkeye (Conjunctivitis) Pinkeye (Conjunctivitis)

    Pinkeye, or conjunctivitis, is the most common eye infection affecting kids. Learn more about pinkeye and how to prevent it from spreading.

  • Styes Styes

    A stye is a backed-up oil gland in the eyelid. Styes are usually easy to get rid of.

  • Athlete's Foot Athlete's Foot

    Athlete's foot is a common fungal skin infection. It's generally easy to treat and prevent.

  • Diaper Rash Diaper Rash

    Diaper rash is a very common infection that can cause a baby's skin to become sore, red, scaly, and tender. In most cases, it clears up with simple changes in diapering.

  • Infections That Pets Carry Infections That Pets Carry

    Kids can benefit from the companionship, affection, and relationships they share with pets. But it's important to know how to protect your family from infections carried by pets and other animals.

  • Jock Itch Jock Itch

    Jock itch is a pretty common fungal infection of the groin and upper thighs. It is generally easy to treat and prevent.

  • Oral Thrush Oral Thrush

    Oral thrush, a very common infection in infants that causes irritation in and around the baby's mouth, often goes away on its own without medical treatment.

  • Pityriasis Versicolor Pityriasis Versicolor

    Pityriasis versicolor is a rash caused by a fungus. It can appear over the chest, shoulders, and back, and is a common cause of skin rashes in teens.

  • Pneumocystis Pneumonia Pneumocystis Pneumonia

    Pneumocystis pneumonia can affect infants who have AIDS, cancer, or other conditions that affect the immune system.

  • Ringworm Ringworm

    Ringworm is a type of fungal skin infection. The good news is that ringworm is easy to treat.

  • Tinea (Ringworm, Jock Itch, Athlete's Foot) Tinea (Ringworm, Jock Itch, Athlete's Foot)

    Jock itch, athlete's foot, and ringworm are all types of fungal skin infections known collectively as tinea. Most are easily preventable and treatable.

  • Vaginal Yeast Infections Vaginal Yeast Infections

    Vaginal yeast infections are common among growing girls, and can cause some pain and discomfort. They usually clear up quickly with proper medical treatment.

  • Adenovirus Adenovirus

    Adenoviruses account for about 10% of acute respiratory infections in kids and are a frequent cause of diarrhea.

  • Bronchiolitis Bronchiolitis

    Bronchiolitis is a common illness of the respiratory tract caused by an infection that affects tiny airways - the bronchioles - that lead to the lungs.

  • Croup Croup

    Croup often causes kids to have a loud cough that sounds like a seal barking. Most cases of croup are caused by viruses, are mild, and can be treated at home.

  • Diphtheria Diphtheria

    Diphtheria is a bacterial infection that's rare in the United States, where health officials immunize kids against it. But it's still common in developing countries where immunizations aren't given routinely.

  • Influenza (Flu) Influenza (Flu)

    Flu symptoms tend to develop quickly and are usually more severe than the typical sneezing and stuffiness of a cold. Yearly vaccination is the best protection against the flu.

  • Measles Measles

    Measles is best known for the skin rash it causes. Although rare, outbreaks can happen. Getting your kids fully vaccinated is the best way to protect them from this disease.

  • Meningitis Meningitis

    Meningitis is treatable, but can be serious. So it's important to know the symptoms, and get medical care right away if you think that your child has the illness.

  • Pneumocystis Pneumonia Pneumocystis Pneumonia

    Pneumocystis pneumonia can affect infants who have AIDS, cancer, or other conditions that affect the immune system.

  • Pneumonia Pneumonia

    Pneumonia is a lung infection that can be caused by different types of germs, most commonly viruses. Read about symptoms and treatment.

  • Respiratory Syncytial Virus Respiratory Syncytial Virus

    Respiratory syncytial virus (RSV) is a major cause of respiratory illness in young children. Learn how to recognize the signs and symptoms of this contagious infection.

  • Scarlet Fever Scarlet Fever

    Scarlet fever is an illness caused by a strep infection. It causes a red, bumpy rash that spreads over most of the body, and is treated with antibiotics.

  • Sinusitis Sinusitis

    Sinus infections, or sinusitis, are common and easily treated.

  • Strep Throat Strep Throat

    Strep throat is a common cause of sore throat in kids and teens. It usually requires treatment with antibiotics, but improves in a few days.

  • Tuberculosis Tuberculosis

    Tuberculosis (TB) is making a comeback in the United States today - particularly among the homeless, those in prison, and those rendered susceptible because of HIV infection.

  • Walking Pneumonia Walking Pneumonia

    Many kids with this milder version of pneumonia feel well enough to go to school. But it's important to keep kids home until after treatment kicks in and symptoms improve.

  • Whooping Cough (Pertussis) Whooping Cough (Pertussis)

    Pertussis is characterized by severe coughing spells that end in a whooping sound when the person breathes in. It can be prevented with the pertussis vaccine, part of the DTaP immunization.

  • A Directory of Medical Tests A Directory of Medical Tests

    Sometimes, doctors need to order tests to evaluate a child's health or to understand what's causing an illness. Here are some common ones.

  • Basic Blood Chemistry Tests Basic Blood Chemistry Tests

    Doctors order basic blood chemistry tests to assess a wide range of conditions and the function of organs.

  • Blood Culture Blood Culture

    A blood culture is a test that looks for germs (such as bacteria or fungi) in the blood.

  • Blood Test: Complete Blood Count Blood Test: Complete Blood Count

    The complete blood count (CBC) is the most common blood test. It analyzes red blood cells, white blood cells, and platelets.

  • Blood Test: Hepatic (Liver) Function Panel Blood Test: Hepatic (Liver) Function Panel

    Liver function tests can help doctors see if the liver has been damaged. They also can help diagnose infections and monitor medications that can cause liver-related side effects.

  • Stool Tests Stool Tests

    Your child's doctor may order a stool collection test to check for blood, bacteria, ova, or parasites. Find out how this test is performed and when you can expect the results.

  • Strep Test: Throat Culture Strep Test: Throat Culture

    Is your child having a strep test or a throat culture? Find out how these swab tests are performed.

  • Urine Tests Urine Tests

    Is your child having a urine culture or urinalysis performed? Find out why urine tests are performed, and what to expect when the doctor orders them.

  • Amebiasis Amebiasis

    Amebiasis is an intestinal illness transmitted when someone eats or drinks something that's contaminated with a microscopic parasite.

  • Ascariasis Ascariasis

    Ascariasis is an intestinal infection that occurs when the eggs of a parasitic roundworm are ingested. Read about signs and symptoms, treatment, and tips for prevention.

  • Bedbugs Bedbugs

    Bedbugs have people on high alert, checking mattresses and furniture for telltale signs of these irritating, hard-to-control pests. Here's what to look for and how to deal with them.

  • Chiggers Chiggers

    Chiggers are tiny red mites whose bites aren't painful but do cause intense itching shortly after the bite occurs.

  • Giardiasis Giardiasis

    Giardiasis, one of the chief causes of diarrhea in the United States, is an intestinal illness caused by a microscopic parasite.

  • Head Lice Head Lice

    Lice aren't dangerous and they don't spread disease, but they are contagious, annoying, and sometimes hard to get rid of. Learn more about this common childhood problem and how to get rid of those pesky little bugs.

  • Infections That Pets Carry Infections That Pets Carry

    Kids can benefit from the companionship, affection, and relationships they share with pets. But it's important to know how to protect your family from infections carried by pets and other animals.

  • Malaria Malaria

    Malaria - a common infection in hot, tropical areas - is a leading cause of death worldwide. But if diagnosed early and treated, it can be cured.

  • Pinworm Pinworm

    Pinworm is an intestinal infection caused by tiny parasitic worms. But pinworms don't cause any harm (just itching), and it won't take long to get rid of them.

  • Pubic Lice Pubic Lice

    Pubic lice are six-legged creatures that infest the hair in the pubic area. Pubic lice infestation is considered a sexually transmitted disease (STD), but it can be contracted in other ways.

  • Toxocariasis Toxocariasis

    Toxocara are common parasites of dogs and cats. When they infect humans, the illness is called toxocariasis.

  • Toxoplasmosis Toxoplasmosis

    Toxoplasmosis is an infection that passes from animals to humans, sometimes without causing any symptoms. Learn more about this infection in this article for parents.

  • Trichomoniasis Trichomoniasis

    Trichomoniasis (or "trich") is a sexually transmitted disease. Many people with trich have no symptoms, so they can spread it to others without knowing it.

  • Chlamydia Chlamydia

    Chlamydia is an STD caused by bacteria. It's important to know the symptoms, as treatment can prevent the infection from leading to other health problems.

  • Genital Herpes Genital Herpes

    Genital herpes is a sexually transmitted disease (STD) that's usually caused by the herpes simplex virus type 2 (HSV-2).

  • Genital Warts (HPV) Genital Warts (HPV)

    Genital warts are caused by certain types of the human papillomavirus (HPV), which is one of the most common STDs. A vaccine can prevent HPV infection, which causes most genital warts and cervical cancers.

  • Gonorrhea Gonorrhea

    Gonorrhea is a sexually transmitted disease (STD). Many people with gonorrhea have no symptoms. They can spread the infection to others without knowing it.

  • HIV and AIDS HIV and AIDS

    Parents can help prevent HIV/AIDS by learning the facts and talking with their kids regularly about healthy behaviors, feelings, and sexuality.

  • Pelvic Inflammatory Disease Pelvic Inflammatory Disease

    Pelvic inflammatory disease (PID) is a serious infection of the female reproductive organs that may cause severe symptoms, minor symptoms, or no symptoms at all.

  • Pubic Lice Pubic Lice

    Pubic lice are six-legged creatures that infest the hair in the pubic area. Pubic lice infestation is considered a sexually transmitted disease (STD), but it can be contracted in other ways.

  • STDs STDs

    Parents should learn about the most common STDs, how they spread, and how they're diagnosed and treated.

  • Syphilis Syphilis

    Syphilis is an STD that, if it goes untreated, can lead to serious health problems.

  • Talking to Your Kids About STDs Talking to Your Kids About STDs

    Your kids need to understand how STDs spread and how to protect themselves. Here's how to talk to them about sexually transmitted diseases.

  • Trichomoniasis Trichomoniasis

    Trichomoniasis (or "trich") is a sexually transmitted disease. Many people with trich have no symptoms, so they can spread it to others without knowing it.

  • Abscess Abscess

    An abscess is a sign of an infection, usually on the skin. Find out what to do if your child develops one.

  • Acanthosis Nigricans Acanthosis Nigricans

    Acanthosis nigricans (AN) is a condition that causes the skin to thicken and darken in places. AN is not harmful or contagious, but can be a sign of certain other medical conditions.

  • Cellulitis Cellulitis

    Cellulitis is an infection of the skin and underlying tissues that can affect any area of the body. It begins in an area of broken skin, like a cut or scratch.

  • Chickenpox Chickenpox

    Chickenpox used to be common in kids, causing a very itchy red rash all over the body. But the good news is that a vaccine can prevent most cases.

  • Cold Sores Cold Sores

    Cold sores are small and painful blisters that appear around the mouth, face, or nose. They're very common and, while uncomfortable, usually go away on their own.

  • Cradle Cap (Infantile Seborrheic Dermatitis) Cradle Cap (Infantile Seborrheic Dermatitis)

    This harmless condition - the infant form of dandruff - causes rough, scaly patches on a baby's skin.

  • Dandruff Dandruff

    Got flakes? Most cases of dandruff don't require a visit to a doctor's office. Treat them at home with special, over-the-counter dandruff shampoos.

  • Does Sunlight Cause Problems With Chickenpox? Does Sunlight Cause Problems With Chickenpox?

    Find out what the experts have to say.

  • Eczema Eczema

    Eczema can be an itchy nuisance and cause scratching that makes the problem worse. Fortunately, more than half of the kids who have eczema today will be over it by the time they're teenagers.

  • Erythema Multiforme Erythema Multiforme

    By the looks of the "bulls-eye" marks this rash leaves on the skin, you might think it's cause for concern. But erythema multiforme clears up on its own within a few weeks.

  • Fifth Disease Fifth Disease

    Especially common in kids between the ages of 5 and 15, fifth disease is a viral illness that produces a distinctive red rash on the face, body, arms, and legs.

  • Genital Herpes Genital Herpes

    Genital herpes is a sexually transmitted disease (STD) that's usually caused by the herpes simplex virus type 2 (HSV-2).

  • Hand, Foot, and Mouth Disease Hand, Foot, and Mouth Disease

    Hand, foot, and mouth disease (HFM) is a common viral infection that causes painful red blisters in the mouth and throat, and on the hands, feet, and diaper area.

  • Hives (Urticaria) Hives (Urticaria)

    Has your child broken out in welts? It could be a case of the hives. Learn how to soothe itchy bumps and help your child feel better.

  • Impetigo Impetigo

    Impetigo is a contagious skin infection that causes blisters or sores on the face, neck, hands, and diaper area. Learn how this common problem is treated and what can help prevent it.

  • Infections That Pets Carry Infections That Pets Carry

    Kids can benefit from the companionship, affection, and relationships they share with pets. But it's important to know how to protect your family from infections carried by pets and other animals.

  • Lyme Disease Lyme Disease

    Lyme disease can affect the skin, joints, nervous system, and other organ systems. If diagnosed quickly and treated with antibiotics, Lyme disease in kids is almost always treatable.

  • Measles Measles

    Measles is best known for the skin rash it causes. Although rare, outbreaks can happen. Getting your kids fully vaccinated is the best way to protect them from this disease.

  • Molluscum Contagiosum Molluscum Contagiosum

    Molluscum contagiosum is a common wart-like viral skin infection. For most children, the rash is no big deal and goes away on its own over time.

  • Oral Thrush Oral Thrush

    Oral thrush, a very common infection in infants that causes irritation in and around the baby's mouth, often goes away on its own without medical treatment.

  • Paronychia Paronychia

    Paronychia is an infection of the skin around a fingernail or toenail. Most of the time, it's not serious and can be treated at home. Learn what causes it, what to do, and how to prevent it.

  • Pityriasis Rosea Pityriasis Rosea

    This harmless rash often forms a telltale "Christmas tree" pattern on the back that makes it easy to identify.

  • Pityriasis Versicolor Pityriasis Versicolor

    Pityriasis versicolor is a rash caused by a fungus. It can appear over the chest, shoulders, and back, and is a common cause of skin rashes in teens.

  • Rocky Mountain Spotted Fever Rocky Mountain Spotted Fever

    Rocky Mountain spotted fever is an infection transmitted by ticks. Find out more about it - including how to prevent it.

  • Roseola Roseola

    Roseola is a viral illness that usually affects kids between 6 months and 3 years old. Learn its signs and symptoms when to call the doctor.

  • Rubella (German Measles) Rubella (German Measles)

    Rubella infection, or German measles, usually is a mild disease in kids that can be prevented with vaccination. Its primary medical danger is to pregnant women because it can affect developing babies.

  • Scabies Scabies

    Scabies is an infestation that affects the skin, and is caused by a mite that burrows into the top layer of skin. It most often causes itching, which may be worse at night or after a hot bath.

  • Scarlet Fever Scarlet Fever

    Scarlet fever is an illness caused by a strep infection. It causes a red, bumpy rash that spreads over most of the body, and is treated with antibiotics.

  • Toxic Shock Syndrome Toxic Shock Syndrome

    Toxic shock syndrome is a serious but uncommon bacterial infection. TSS is a medical emergency - symptoms include sudden high fever, a faint feeling, diarrhea, headache, and muscle aches.

  • Vitiligo Vitiligo

    While vitiligo might make your child self-conscious, this skin condition is not medically dangerous. Kids with vitiligo are as healthy as other kids.

  • Warts Warts

    Many of us have had a wart somewhere on our bodies at some time. But other than being a nuisance, most warts are harmless.

  • Appendicitis Appendicitis

    Appendicitis requires immediate medical attention, so it's important to know its symptoms. The earlier it's caught, the easier it is to treat.

  • Ascariasis Ascariasis

    Ascariasis is an intestinal infection that occurs when the eggs of a parasitic roundworm are ingested. Read about signs and symptoms, treatment, and tips for prevention.

  • Campylobacter Infections Campylobacter Infections

    These bacterial infections can cause diarrhea, cramping, abdominal pain, and fever. Good hand-washing and food safety habits can help prevent them.

  • Cholera Cholera

    While cholera isn't common in the U.S., it can be a health threat elsewhere. Learn about cholera and how to prevent it.

  • Dengue Fever Dengue Fever

    You're not at risk of this illness in the U.S., but if you live in or are traveling to a tropical country it's wise to take precautions against this virus.

  • Diarrhea Diarrhea

    Most kids battle diarrhea from time to time, so it's important to know what to do to relieve and even prevent it.

  • Food Poisoning Food Poisoning

    Sometimes, germs can get into food and cause food poisoning. Find out what to do if your child gets food poisoning - and how to prevent it.

  • Giardiasis Giardiasis

    Giardiasis, one of the chief causes of diarrhea in the United States, is an intestinal illness caused by a microscopic parasite.

  • Helicobacter pylori Helicobacter pylori

    H. pylori bacteria can cause digestive illnesses, including gastritis and peptic ulcer disease.

  • Pinworm Pinworm

    Pinworm is an intestinal infection caused by tiny parasitic worms. But pinworms don't cause any harm (just itching), and it won't take long to get rid of them.

  • Rotavirus Rotavirus

    Rotavirus infection affects most kids and is one of the most common causes of diarrhea. A vaccine to prevent it is now recommended for all kids.

  • Salmonella Infections Salmonella Infections

    Salmonellosis is a foodborne illness caused by the bacteria salmonella. Symptoms include nausea, vomiting, abdominal cramps, diarrhea, fever, and headache.

  • Shigella Infections Shigella Infections

    Shigella are bacteria that can infect the digestive tract and cause a wide range of symptoms, from diarrhea, cramping, vomiting, and nausea, to more serious complications and illnesses.

  • Tapeworm Tapeworm

    Tapeworms are usually more upsetting to think about than to deal with. Tapeworm infections are rare in the United States, and they're usually easy to treat.

  • Typhoid Fever Typhoid Fever

    While typhoid fever isn't common in the U.S., it can be a health threat elsewhere. Learn about this illness and how to prevent it.

  • Yersiniosis Yersiniosis

    Yersiniosis is an uncommon infection caused by the consumption of undercooked meat products, unpasteurized milk, or water contaminated by the bacteria.

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