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Roseola is a viral infection. It is quite common and mainly affects young children between 6 months and 2 years. The average age is around 9 months. It does not cause long-term problems. It is mild infection and full recovery is usual. Less frequently, older children, teens, and adults may be infected.
Roseola is known by other names also like it was formally called Roseola Infantum or Roseola Infantilis. Because the rash appears so suddenly the disease is commonly called Exanthem Subitum.
Like the herpes and chickenpox viruses, the roseola virus persists in the body and may reactivate, in a similar way to shingles. However, reactivation seems to happen most often in people who have problems with their immune systems.
Causes of Roseola
Roseola is known to be caused by two human herpesviruses, HHV-6 (Human Herpesvirus Six) and HHV-7, also called Roseolovirus. No other causes are found until now.
The viruses that cause roseola are spread through tiny drops of fluid from the nose and throat of infected people when they laugh, talk, sneeze, or cough.
Sign & Symptoms of Roseola
The signs and symptoms of HHV-6 (or HHV-7) infection vary depending upon the age of the patient. Some children develop only a very mild case of roseola and never show any clear indication of illness, while others experience the full range of symptoms.
Diagnosis of Roseola
Roseola is diagnosed through a medical history and physical exam when the child is getting better. Initial high fever can become a cause of concern, because the cause of fever for the first 2-3 days is not known.
Health Professionals generally recognized roseola by serious illnesses of the child due to fever, and the typical appearance of rash. Appearance of typical rash after the fever drops to normal indicates that the roseola virus has caused the fever and not other serious illness.
Preventions of Roseola
There is no known way to prevent the spread of roseola. Because the infection usually affects young children but rarely adults, it is thought that a bout of roseola in childhood may provide some lasting immunity to the illness. Repeat cases of roseola may occur, but they are not common.
Treatment for Roseola
Treatment of roseola includes bed rest, fluids and medications to reduce fever. No treatment can kill the virus. The aim of treatment is to make the child comfortable, till fever and illness goes.
When to Call the Doctor
Call the doctor if
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