Definition

Noun: * A common, mild viral infection primarily affecting infants and toddlers, characterized by a distinctive pattern of a high fever that resolves abruptly, followed by the appearance of a rash.

Usage

• The term "roseola infantilis" is a medical name for a specific childhood illness. It is used in clinical and formal contexts.
• Example: The pediatrician diagnosed the baby with roseola infantilis after the characteristic rash appeared following three days of high fever.

Advanced Usage

• The disease is also widely known by the names roseola infantum or exanthem subitum. "Roseola" alone is often used informally to refer to the same condition.
• Example: While roseola infantilis is the precise term, most parents simply refer to it as roseola.

Variants and Related Words

• Roseola infantum (n): A synonymous medical term.
• Exanthem subitum (n): Another synonymous medical term, meaning "sudden rash."
• Roseola (n): The common, shortened name for the disease.
• HHV-6 / Human herpesvirus 6 (n): The primary virus that causes roseola infantilis.

Synonyms

• Sixth disease
• Baby measles (an informal, non-medical term)

Related Phrases

• Roseola rash: Refers specifically to the pinkish, non-itchy rash that follows the fever.
  • Example: The roseola rash typically appears on the trunk and spreads to the neck and limbs.

Noun

1. a viral disease of infants and young children; characterized by abrupt high fever and mild sore throat; a few days later there is a faint pinkish rash that lasts for a few hours to a few days