Qu'est-ce que la roséole infantile ?
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**What is Roseola Infantum?**
**Definition**
Roseola infantum, also known as sixth disease or exanthem subitum, is a common childhood illness caused by the human herpesvirus 6 (HHV-6) or HHV-7. It is characterized by a fever, followed by a rash and other symptoms.
**Symptoms**
* Sudden onset of high fever (up to 104°F) lasting 3-5 days
* Rash typically appears on the trunk (chest, abdomen, back) and then spreads to the face, arms, and legs
* Small, pink or red flat spots or bumps
* Enlarged lymph nodes
* Irritability or fussiness
* Loss of appetite
* Mild cough or runny nose
**Causes**
Roseola infantum is caused by human herpesviruses 6 or 7. These viruses are spread through contact with respiratory secretions, such as saliva or mucus.
**Diagnosis**
A diagnosis of roseola infantum is typically based on symptoms and a physical examination. A blood test may be done to confirm the diagnosis.
**Treatment**
There is no specific treatment for roseola infantum. Symptoms are usually mild and resolve on their own within a week. Treatment focuses on supportive care, such as:
* Fever and pain relievers (avoid aspirin)
* Fluids to prevent dehydration
* Rest
**Prevention**
There is no vaccine for roseola infantum. However, the virus is most commonly spread through close contact with an infected person. Preventive measures include:
* Washing hands frequently
* Covering coughs and sneezes
* Avoiding contact with people who are sick
**Complications**
Complications from roseola infantum are rare, but can include:
* Febrile seizures
* Encephalitis (brain inflammation)
* Pneumonia
**Prognosis**
Most children recover fully from roseola infantum without any long-term complications. However, if you have concerns about your child’s symptoms, seek medical attention.
**Additional Information**
* Roseola infantum is most common in children between 6 months and 2 years of age.
* It is a common reason for fever in infants.
* The rash usually disappears within 1-3 days.
* Children are typically immune to the virus after having it once.
Roseola infantum, also known as sixth disease, is a common childhood illness caused by human herpesvirus 6 (HHV-6). It affects children between the ages of 6 months and 2 years and is characterized by a sudden onset of high fever, followed by a rash that typically appears on the trunk, neck, and face.