February, 1990Article: "Emergence of intense suicidal preoccupation during fluoxetine treatment" by Martin Teicher et al. The authors note that: "Six depressed patients free of recent serious suicidal ideation developed intense, violent suicidal preoccupation after 2-7 weeks of fluoxetine treatment. This state persisted for as little as 3 days to as long as 3 months after discontinuation of fluoxetine. None of these patients had ever experienced a similar state during treatment with any other psychotropic drug."

1990 — Across the United States, Prozac Survivors Support Groups form to help people who have been harmed by Prozac, including a National Group headed by Bonnie Leistsch in Louisville, Kentucky. The Citizens Coalition on Human Rights sets up a hotline to put callers in touch with a support group in their area.