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June 3, 1998

Zyban: Two Products, Two Uses—Too Confusing?—Reply

Author Affiliations

Margaret A.WinkerMD, Senior EditorIndividualAuthorPhil B.FontanarosaMD, Senior EditorIndividualAuthor

JAMA. 1998;279(21):1701-1702. doi:10-1001/pubs.JAMA-ISSN-0098-7484-279-21-jbk0603

In Reply.—First, in 1971, Scotts-Sierra Crop Protection Company, a subsidiary of The Scotts Company, secured the registration for the name Zyban for a fungicide product, Zyban WSB, for sale to the horticulture market for use on ornamental plant material. The name has been used in marketing this product to growers since that time. It was only in 1997 that Glaxo Wellcome filed trademark papers to use the name "Zyban" for smoking cessation pharmaceuticals.

Second, the labeling for Zyban WSB states clear warnings, in both Spanish and English, that include, among other warning language and precautionary statements, that it is for professional use only, and is harmful if swallowed or inhaled.