When a child has signs of puberty at an early age, it's called precocious puberty. This starts before age 8 in girls, and before age 9 in boys.

Violent coughing or vomiting may cause a tear in your lower esophagus. A hiatal hernia or childbirth can also lead to this kind of tear. Learn about symptoms, treatment, and more.

CMV is a common viral infection. In most people, it doesn't cause serious symptoms. But if you've had an organ transplant, it can cause serious illness.

Allergens, irritants, and other things may set off your asthma. Here is a list of triggers and ways to stay away from them.

Impetigo is a skin infection that causes red, crusty sores. It's more common in young children, but adults can also get it. It can be spread easily from person to person. Read on to learn more.

Hives are red, itchy, and swollen areas on the skin. They are most often an allergic reaction from a food, medicine, or insect sting or bite. Read on to learn more about them.

Information on vaccines can change quickly. Use this link to get the latest vaccine information from the CDC.

Even before your baby has teeth, it's important to start a routine of oral care for your child.

Dengue is a severe illness that causes joint pain and high fever. It's caused by a virus that is spread by mosquitoes. Read on to learn more.

A cystocele is when a woman's bladder sags down into the vagina. It's also called a prolapsed bladder.