The generic tablets will be available in three doses: 5 milligrams, 10 milligrams, and 20 milligrams. The drug is a selective serotonin reuptake inhibitor (SSRI), a family of drugs that also includes Prozac, Celexa, Zoloft, and Paxil.
Brand-name Lexapro -- made by Forest Laboratories, Inc. -- is the No. 2 antidepressant in filled prescriptions and the No. 3 antidepressant for total U.S. sales, as of February 2006, according to IMS Health Incorporated, a pharmaceutical market intelligence company.
The generic version of the drug will be made by Ivax Corp., a Miami-based subsidiary of Israel's Teva Pharmaceutical Industries.
A Teva news release states that "Teva is currently in patent litigation concerning this product" in a U.S. district court.
The FDA has not released detailed information on generic escitalopram oxalate's approval history and labeling.