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Roseola, also known as sixth disease, is an infectious disease caused by certain types of human herpes viruses. [2] Most infections occur before the age of three. [ 1 ] Symptoms vary from absent to the classic presentation of a fever of rapid onset followed by a rash.
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The classical presentation of primary HHV-6b infection is as exanthema subitum (ES) or "roseola", featuring a high temperature lasting 3 to 5 days followed by a rash on the torso, neck, or face and sometimes febrile convulsions, however, the symptoms are not always present together. However, one study (1997) indicated that a rash is not a ...
The acquisition of HHV-6 in infancy is often symptomatic, resulting in childhood fever, diarrhea, and exanthem subitum rash (commonly known as roseola). Although rare, this initial infection can also cause febrile seizures , encephalitis or intractable seizures.
[1] [2] Both rubella, also known as German measles, and roseola are different diseases caused by unrelated viruses. [15] Symptoms usually develop 10–12 days after exposure to an infected person and last 7–10 days. [7] [8] Initial symptoms typically include fever, often greater than 40 °C (104 °F), cough, runny nose, and inflamed eyes.
Pityriasis rosea is a type of skin rash. [2] Classically, it begins with a single red and slightly scaly area known as a "herald patch". [2] This is then followed, days to weeks later, by an eruption of many smaller scaly spots; pinkish with a red edge in people with light skin and greyish in darker skin. [4]
not to be confused with Rubella, (German measles) and roseola, which are different diseases, caused by unrelated viruses. [3] Onset of illness.
Roseola vaccinia is a cutaneous condition characterized by a prominent rim of erythema surrounding the site of vaccinia injection. [1]: 393 ...