Zoloft (Sertraline) is in a class of antidepressants known as selective serotonin reuptake inhibitors (SSRIs). Pfizer, Inc. introduced Zoloft onto the United States market in 1991. Zoloft is used primarily to treat depression, anxiety disorder, panic disorderspost-traumatic stress disorder and other psychological conditions. By 2007, Zoloft was the most prescribed antidepressant in the United States with approximately 29,652,000 prescriptions.
Zoloft is currently classified as a Pregnancy Category C drug. There has been animal study evidence indicating that Zoloft (Sertraline) may have an adverse effect on the fetus when ingested during pregnancy.