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New research finds the antibiotic clarithromycin is associated with an increased risk of heart deaths.

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Swimmer's ear is a common problem, especially in the summer months. Recent guidelines stress not to use oral antibiotics to treat the painful condition.

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At least 52 workers at the Centers for Disease Control and Prevention are taking antibiotics as a precaution because of a lab safety problem that may have accidentally exposed them to anthrax.

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The Centers for Disease Control and Prevention says some of its staff in Atlanta may have been accidentally exposed to dangerous anthrax bacteria because of a safety problem at one of its labs.