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Guanethidine

Generic Ismelin

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    Illustration of discontinued pill bottle

    Discontinued

    This form and dosage of Guanethidine 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 guanethidine

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Guanethidine is part of the Catecholamine Synthesis Inhibitors class and treats Hypertension. Catecholamine synthesis inhibitors are used to treat adrenal cancer. They work by decreasing catecholamines caused by tumors. Guanethidine is only available as a generic drug.

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