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A clostridium difficile (C. diff.) infection is a bacterial infection in your intestines… can include: Frequent, watery diarrhea (up to 15 times each day) Severe stomach pain or tendernes Nausea Loss of appetite Low-grade fever of up to 101°F in children or 100°F to 102°F in…

Learn why your child may get several infections while he or she is still young… blood (bacteremia), urinary tract, and brain or spinal fluid infections (bacterial meningitis). The most common signs of infection in your baby include: Fever Persistent crying Irritability Sleeping more than usual…

Ebola virus disease is caused by infection by the Ebola virus. There are five known strains, four of which affect… person is infected with the virus. The virus cannot be spread to another person until symptoms appear. Early symptoms can include: Fatigue Fever Muscle pain…

Work can be a dangerous place if you are exposed to hazardous toxins. Certain substances put you at risk for… can be similar to those of a cold, the flu, or allergies, such as: dry, scratchy, or sore throat runny nose cough fever tight chest…

A pilonidal cyst is a small, protuding sac located near the tailbone at the top of the buttocks crease… become infected. When this happens, the cyst can become very painful. If it’s infected, you also may notice: You have a fever The area is swollen…

Respiratory syncytial virus (RSV) is a common virus. It affects your lungs, making it difficult to breathe. The virus is… different based on age. Older children and healthy adults have mild, cold-like symptoms. This includes a cough, stuffy nose, and low fever. Symptoms appear 4…

Tuberculosis is an infection caused by bacteria. Tuberculosis usually affects the lungs. But it can also affect your joints, kidneys,… What is tuberculosis? Tuberculosis, also called TB, is an infection caused by bacteria. Tuberculosis usually affects the lungs. But it can also affect other parts of the body. This…

Labyrinthitis is a condition that affects a part of the inner ear called the labyrinth. When it is swollen, you… What is labyrinthitis? Labyrinthitis (say: “lab-uh-rinth-eye-tus”) is a condition that affects a part of the inner ear called the labyrinth. Normally, the labyrinth helps…

Cellulitis is a skin infection caused by bacteria. It can spread to your lymph nodes and cause a blood infection… What is cellulitis? Cellulitis is a skin infection that is caused by bacteria. It is a common infection but can become a serious condition if…

Diaper rash is redness and rash on a baby’s bottom or genital area. It is a very common rash. Normally,… What is diaper rash? Diaper rash is redness and rash on a baby’s bottom or genital area. It is a very common rash. Most babies…

Lyme disease is a bacterial infection caused by a tick bite… What is Lyme disease? Lyme disease is a bacterial infection that is caused by a tick bite. It was first recognized in 1975 when large numbers of children around the town of Lyme, Connecticut, were being…

Gallstones are hard deposits that form inside your gallbladder. They are most often caused when cholesterol becomes solid and can… What are gallstones? Gallstones are hard deposits that can form inside the gallbladder. The gallbladder is a small, pear-shaped organ just under your liver. It stores bile,…

Hives (urticaria) are bumps or patches on the surface of your skin. They can be red, itchy, and swollen and… What are hives? Hives are a skin condition. They are raised, red bumps on your skin. They can be  itchy. Hives appear on the…

Toxic shock syndrome is a serious, sometimes life-threatening staph infection caused by bacteria that multiplies quickly and leads to organ… What is toxic shock syndrome? Toxic shock syndrome (TSS) is an uncommon but serious, life-threatening complication of certain types of infections. It is caused…

Learn how to better protect yourself from COVID-19… COVID-19 is a disease caused by a coronavirus called SARS-CoV-2, which was identified in 2019. Coronaviruses mutate (change) into new and different variants. However, they remain infectious to people and some animals. The infection spreads through respiratory…