Scarlet fever

Scarlet fever, also known as scarlet fever, was one of the most feared childhood diseases until the beginning of the 20th century. It has become rare in France and affects mainly children aged five to ten during winter periods.

Scarlet fever most commonly occurs in schools and other communities through epidemics. The frequency of scarlet fever in France is not known.

Scarlet fever is manifested suddenly by red angina and then - 12 to 24 hours later - by a red rash, in layers, all over the body, sparing the palms and the plants. The tongue is also affected, and takes a raspberry appearance from the 4th to the 6th day. The body rash ends up flaking between the 10th and the 30th day.

Scarlet fever is caused mainly by Streptococcus pyogenes or Streptococcus group A. This disease is a pharyngeal infection, ie a localized throat infection that causes the production of toxins. These are produced by the bacterium and diffuse into the bloodstream until reaching the vegetative nervous system. These toxins generate specific immunity. Anyone who is contaminated is thus immune to the toxin concerned.

Group A streptococcal infections can occur in several forms: skin infections, ENT infections (including red or erythematous sore throat), scarlet fever, etc.

To know: The essential on scarlet fever in pictures

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Author: Dr. Ada Picard.

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