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Fleas, mites, and chiggers are different kinds of small insects. They are also parasites. This means they feed off the blood, skin, or both of animals and humans. These insects are more common in the warm weather. They bite skin and cause symptoms, such as bumps, redness, pain, or itching.

Pityriasis rosea is a mild, common rash. Read on to learn more about diagnosis, symptoms, and treatment.

Vaginitis is any inflammation or infection of the vagina. It is a common problem in girls and women of all ages.

Fetal blood sampling is a procedure to take a small amount of blood from an unborn baby (fetus) during pregnancy. Fetal blood sampling is usually done by a perinatologist with special training. This is a healthcare provider who specializes in the care of babies in high-risk pregnancies.

Epilepsy is a disorder of the nervous system. It is also called a seizure disorder. Normally the body's nerves send information by electrical and chemical signals. People with epilepsy have abnormal electrical signals in the brain. This can cause a seizure. Seizures can cause severe shaking of muscles. Or they may be very mild with hardly any symptoms at all.

For most children, the reaction to a sting is brief, with redness and swelling followed by pain and itching. Others may have an allergic reaction that is life-threatening. Read on for details.

A look at the 3 different types of hearing loss and what causes them.

A pregnancy that develops outside the uterus is called ectopic pregnancy. This nearly always happens in a fallopian tube. So it’s often called tubal pregnancy. Rarely, an ectopic pregnancy will happen in an ovary, in the cervix, or the belly (abdomen).

Fetal growth restriction is a condition in which an unborn baby is smaller than expected for the number of weeks of pregnancy (gestational age).