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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.
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.
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. [3] [4] Small white spots known as Koplik's spots may form inside the mouth two or three days after the start of symptoms. [4]
When you get the chills and don’t have a fever, you should see a doctor, especially when it happens frequently, says Hannah Cohan, N.P., a board-certified nurse practitioner with Medical Offices ...
“You can feel feverish without having a temperature, but you cannot clinically have a fever without a temperature above 100.4 degrees Fahrenheit by mouth,” says Eric Ascher, D.O., family ...
What Are the Symptoms of RSV in Older Adults? Symptoms of RSV can range from mild to severe. Dr. Elizalde says that mild RSV symptoms can include a runny nose, sore throat, coughing, sneezing and ...
Many other viral rashes, like measles, rubella, roseola, and scarlet fever, can look similar to erythema infectiosum. In adults, for example, joint pain caused by parvovirus B19 infection might make doctor consider conditions like the flu and mononucleosis during initial diagnosis.
Earlier treatment (within 48 hours of symptom onset) improves the chances of a good recovery. Rarely, treated individuals can have relapse of infection weeks to months later. There is evidence that aberrant inflammation triggered by herpes simplex can result in granulomatous inflammation in the brain, which responds to steroids. [16]