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Antibiotics are used to kill the bacteria that causes the throat infection. This is crucial to prevent rheumatic fever, a serious complication of strep throat and scarlet fever.
With proper antibiotic treatment, the symptoms of scarlet fever should get better quickly. However, the rash can last for up to 2 - 3 weeks before it fully goes away.
Complications are rare with the right treatment, but can include:
Call your health care provider if:
Bisno AL, Stevens DL. Streptococcus pyogenes. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2009:chap 198.
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