Study Concludes Early Antibiotic Use and Asthma Are Not Linked

Writing in the journal BMJ, researchers investigated “the association between exposure to antibiotics in fetal and early life and asthma in childhood, with adjustment for confounding factors.” Using a Swedish population database and a sibling control design, the study authors identified asthma diagnoses as well as antibiotic use for a variety of illnesses. The use of antibiotics in fetal or early life did not appear to increase the risk of asthma. The authors note that “previous positive associations between exposure to antibiotics in fetal and early life and subsequent childhood asthma could have been caused by confounding by shared familial factors, in addition to confounding by respiratory infections.”

The study was published in November, 2014. To view the abstract, click here. For a news article, click here.

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