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Scarlet Fever

Scarlet fever is an infectious disease caused by group A Streptococcus bacteria. Characterized by a distinctive red rash and fever, it often follows a strep throat infection. While it can affect individuals of any age, it is most common in children. Awareness of its symptoms and potential impacts can help in understanding this condition better.

Infectious Diseases
  • What exactly is scarlet fever?
    MedlinePlusMay 2026

    Scarlet fever is an illness that develops after strep throat, caused by group A strep bacteria. It causes a red rash to appear on your body along with the sore throat symptoms.

  • How does scarlet fever differ from strep throat?
    MedlinePlusMay 2026

    Strep throat is just the sore, red throat with possible white spots on your tonsils. Scarlet fever is what happens when strep throat is followed by a red rash that spreads across your body.

  • Can I catch scarlet fever again after having it once?
    MedlinePlusMay 2026

    Yes, you can catch scarlet fever again because getting it once doesn't give you permanent immunity. However, it's less common to get it multiple times.

  • Is scarlet fever contagious? How can I avoid spreading it?
    MedlinePlusMay 2026

    Yes, scarlet fever is contagious and spreads through respiratory droplets when an infected person coughs or sneezes. Wash your hands often, cover your mouth when you cough, and avoid sharing drinks or utensils to prevent spreading it.

  • Are there any long-term effects of scarlet fever?
    MedlinePlusMay 2026

    Most people recover fully from scarlet fever with antibiotic treatment. In rare cases without treatment, it can lead to serious complications affecting the heart, joints, or kidneys.