Zoloft (Sertraline) is included in the class of drugs called selective serotonin reuptake inhibitors (SSRIs). This class of drugs is used to treat depression, anxiety, and other mood disorders.
More information/images in the Prescription Drug Brochure.
Drug Identification Guide
CDC Addiction Info
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CDC Substance Treatment
Whitehouse Drug-Free Communities
Samhsa Workplace Programs
Federal Register Codification