• A streptococcal infection, mainly occurring among children, that is characterized by a red skin rash, sore throat, and fever.
  NCI
  U.S. National Cancer Institute, 2021
• An erythematous, fine, papular rash that is associated with Streptococcal pharyngitis.
  NICHD Pediatric Terminology
  U.S. National Cancer Institute, 2021
• Infection with group A streptococci that is characterized by tonsillitis and pharyngitis. An erythematous rash is commonly present.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• Scarlet fever (known as scarlatina in older literature references) is a syndrome characterized by exudative pharyngitis (see the image below), fever, and bright-red exanthem. It is caused by toxin-producing group A beta-hemolytic streptococci (GABHS) found in secretions and discharge from the nose, ears, throat, and skin.
  Medscape
  WebMD, 2025
• Scarlet fever is a bacterial illness that develops in some people who have strep throat. Also known as scarlatina, scarlet fever features a bright red rash that covers most of the body. Scarlet fever is almost always accompanied by a sore throat and a high fever.
  Mayo Clinic
  Mayo Foundation for Medical Education and Research, 2025
• Scarlet fever, acute infectious disease caused by group A hemolytic streptococcal bacteria, in particular Streptococcus pyogenes. Scarlet fever can affect people of all ages, but it is most often seen in children. It is called scarlet fever because of the red skin rash that accompanies it. Before...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2025