LYCOS RETRIEVER 
Strep Throat: Fever
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In some people, strep throat is very mild, with only a few of these symptoms. In others, strep throat is severe. There are many strains of strep. Some strains produce toxins that can lead to a scarlet fever rash. This rash is thought to be an allergic reaction to these toxins. Untreated, strep throat can sometimes lead to rheumatic fever.
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Complications of strep throat are rare but can occur, especially if your throat infection is not properly treated with antibiotics. Complications can occur when the strep infection spreads to other parts of the body and causes other infections such as an ear or sinus infection, or an abscess on the tonsils (peritonsillar abscess). Complications can ... result in your immune system attacking itself and causing serious conditions such as rheumatic fever.
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Strep throat can cause more serious illnesses, like rheumatic fever, a disease that may harm the heart valves. So, it's important to get it treated. With proper treatment, strep is usually cured within 10 days.
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The symptoms associated with strep throat usually begin to disappear within several days even without treatment. When antibiotics are used, fever may subside within 24 hours, and the course of the illness may be shortened by two days.
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