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    HomeMedication GuideDrug InteractionsCyclosporine + Furosemide
    Moderate interaction

    Does Cyclosporine Interact With Furosemide?

    Concomitant use of cyclosporine and furosemide is associated with increased risk of gouty arthritis secondary to furosemide-induced hyperurecemia and cyclosporine impairment of renal urate excretion.

    Reviewed by the OmniRx Health clinical teamLast reviewed Jul 4, 2026

    Severity: Moderate

    Severity basis: drug interactions section (keywords: increased risk). Combining Cyclosporine (Calcineurin inhibitor immunosuppressant) and Furosemide (Loop diuretic) is classified as a moderate interaction.

    What to Do

    Use this combination with caution. Your prescriber may monitor you more closely or adjust doses.

    How This Interaction Works

    Interactions like this one can happen when two medicines have overlapping effects, or when one changes how the other is absorbed, broken down, or cleared from the body. Cyclosporine is a calcineurin inhibitor immunosuppressant and Furosemide is a loop diuretic; together they are documented as a moderate interaction. How much this matters depends on your dose, your other medications, and your overall health.

    If You Take Both Medications

    If you have been prescribed both Cyclosporine and Furosemide, do not start, stop, or change either medication on your own — some medicines are unsafe to stop suddenly. Tell your prescriber and pharmacist that you take both so they can decide whether the combination is right for you, adjust the dose, monitor you more closely, or suggest an alternative.

    From the FDA Label

    Concomitant use of cyclosporine and furosemide is associated with increased risk of gouty arthritis secondary to furosemide-induced hyperurecemia and cyclosporine impairment of renal urate excretion.

    Source: FDA structured product labeling (set_id 01a5f094-b473-4e46-9e61-69d5ec6dd766).

    Cyclosporine

    Calcineurin inhibitor immunosuppressant

    Brands: Neoral, Sandimmune, Gengraf

    View Cyclosporine safety profile

    Furosemide

    Loop diuretic

    Brands: Lasix

    View Furosemide safety profile

    Check these against your full medication list in our free Interaction Checker

    Frequently Asked Questions

    Can you take Cyclosporine and Furosemide together?

    Cyclosporine and Furosemide have a documented moderate interaction. Use this combination with caution. Your prescriber may monitor you more closely or adjust doses.

    How serious is the Cyclosporine and Furosemide interaction?

    It is classified as a moderate interaction, based on the FDA label's drug interactions section (keywords: increased risk). A moderate interaction can be clinically meaningful and usually calls for monitoring or a dose adjustment.

    What should I do if I'm taking both Cyclosporine and Furosemide?

    If you have been prescribed both Cyclosporine and Furosemide, do not start, stop, or change either medication on your own — some medicines are unsafe to stop suddenly. Tell your prescriber and pharmacist that you take both so they can decide whether the combination is right for you, adjust the dose, monitor you more closely, or suggest an alternative.

    This information is educational — not medical advice.

    This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.

    Questions About Your Medications?

    A licensed OmniRx provider can review your full medication list and help you understand what's safe for you — no office visit required.

    Other Cyclosporine Interactions