In December 2005, GlaxoSmithKline (GSK) posted its Paxil findings on its
website regarding pregnant women taking antidepressants. In this announcement,
GSK noted that it was revising its pregnancy precaution category from C to D.
This revision was based on recent studies that indicated positive evidence of
human fetal risk. In addition, GSK was placing this information in the WARNINGS
section of the Paxil label.
The FDA then advised pregnant women to switch from Paxil to another SSRI
drug, such as Prozac or Zoloft. This warning was based on the results of an
analysis of Sweden’s birth registry that showed women who took Paxil were 1.5 to