What is hematology? Hematology is the study of blood and blood disorders. Hematologists and hematopathologists are highly trained healthcare providers who specialize in diseases of the blood and blood components. These include blood and bone marrow cells. Hematological tests can help diagnose anemia, infection, hemophilia, blood-clotting disorders, and leukemia.
Roseola is a viral illness that usually affects children between the ages of six months and two years. It is typically marked by several days of high fever, followed by a pinkish-red flat or raised rash that appears on the child's torso and spreads over the body as the fever breaks.
This rash usually lasts a few hours to a few days. Unlike many other rashes that kids get, the rash of roseola is not itchy. Some children infected with the virus that causes roseola do have other typical viral symptoms, such as a runny nose, cough, swollen glands, irritibility, and diarrhea. Other signs and symptoms might include febrile seizures or a bulging fontanel (soft spot).