Maternal Use of Cough or Common Cold Medicine and Infant Congenital Malformations
The greater part of the early literature on risks associated with cough medicines during pregnancy are case-control studies with a risk for various types of bias. The present prospective Swedish data give no reasons to expect any teratogenic effects, at least not from the drugs which have been used in Sweden during the past two decades. Data on components in traditional medicine are nearly totally lacking. Even though it is unlikely that they are teratogenic, it may be wise to avoid such drugs during pregnancy.
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