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1/14/2025

Isoniazid Tablets

Products Affected - Description

    • Isoniazid oral tablet, Mylan (Viatris), 300 mg, unit-dose blister pack, 100 count, NDC 51079-0083-20
    • Isoniazid oral tablet, Teva, 100 mg, bottle, 100 count, NDC 00555-0066-02 - discontinued
    • Isoniazid oral tablet, Teva, 300 mg, bottle, 30 count, NDC 00555-0071-01 - discontinued
    • Isoniazid oral tablet, Teva, 300 mg, bottle, 100 count, NDC 00555-0071-02 - discontinued

Reason for the Shortage

    • Genus Lifesciences launched isoniazid in late-2024.
    • Teva divested isoniazid tablets to Genus Lifesciences in late-2024.
    • Viatris did not provide a reason for the shortage.

Available Products

    • Isoniazid oral tablet, Genus Lifesciences, 100 mg, bottle, 100 count, NDC 64950-0216-10
    • Isoniazid oral tablet, Genus Lifesciences, 300 mg, bottle, 30 count, NDC 64950-0217-03
    • Isoniazid oral tablet, Genus Lifesciences, 300 mg, bottle, 100 count, NDC 64950-0217-10

Estimated Resupply Dates

    • Viatris has isoniazid 300 mg tablets in 100 count unit-dose packages on back order and the company cannot estimate a release date.

Updated

Updated January 14, 2025 by Leslie Jensen, PharmD, Drug Information Specialist. Created September 1, 2022 by Leslie Jensen, PharmD, Drug Information Specialist. © 2025, Drug Information Service, University of Utah, Salt Lake City, UT.

Disclaimer

Drug Shortage Bulletins are copyrighted by the Drug Information Service of the University of Utah and provided by ASHP as its exclusive authorized distributor. ASHP and the University of Utah make no representations or warranties, express or implied, including, but not limited to, any implied warranty of merchantability and/or fitness for a particular purpose, with respect to such information, and specifically disclaim all such warranties. Users of this information are advised that decisions regarding the use of drugs and drug therapies are complex medical decisions and that in using this information, each user must exercise his or her own independent professional judgment. Neither ASHP nor the University of Utah assumes any liability for persons administering or receiving drugs or other medical care in reliance upon this information, or otherwise in connection with this Bulletin. Neither ASHP nor the University of Utah endorses or recommends the use of any particular drug. Any application of this information for any purpose shall be limited to personal, non-commercial use.

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