Roseola

Roseola (also known as sixth disease, exanthem subitum, and roseola infantum) is a viral illness in young children, most commonly affecting those between the ages of 6 months and 2 years. It is typically marked by several days of high fever, followed by a distinctive rash just as the fever breaks. Two common and closely related viruses can cause roseola: human herpesvirus (HHV) type 6 and possibly type 7. These two viruses belong to the same fa

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Rocky Mountain Spotted Fever

Rocky Mountain spotted fever (RMSF) is a bacterial infection that's transmitted to people by tick bites. It occurs most often in the spring and summer, during months when ticks are active — between April and early September. Although RMSF is most common in the southeastern part of the United States (Virginia, Georgia, and the Carolinas), it occurs in other states as well. It's relatively rare (about 250–2,000 cases per year in the United States

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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. Named after Australian pathologist R. Douglas Reye, who first reported it as a distinct syndrome in 1963, Reye syndrome is still not well understood. Studies have linked the use of aspirin or aspirin-containing medications during viral disease to development of Reye syndrome. Cases have dropp

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Respiratory Syncytial Virus

Respiratory syncytial virus (RSV) is a major cause of respiratory illness in young children. RSV causes infection of the lungs and breathing passages. In adults, it may only produce symptoms of a common cold, such as a stuffy or runny nose, sore throat, mild headache, cough, fever, and a general feeling of being ill. But RSV infections can lead to other more serious illnesses in premature babies and kids with diseases that affect the lungs, hear

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