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    Illustration of discontinued pill bottle

    Discontinued

    This form and dosage of Dow-Isoniazid has been discontinued by the manufacturer and is no longer available.

GoodRx coupon prices last updated on 01/23/26.

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About Dow-Isoniazid

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Dow-Isoniazid is part of the Antimycobacterials class and treats Tuberculosis. Antimycobacterials are used to treat tuberculosis and urinary tract infections by preventing the growth of bacteria in the body. Dow-Isoniazid is only available as a brand name drug.

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