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Drug interactions

Defibrotide + Fluvoxamine

Severity: Moderate

Defibrotide and Fluvoxamine: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Defibrotide has profibrinolytic activity and can enhance the effects of agents that affect hemostasis. Fluvoxamine impairs platelet function, so combined use may increase the risk of bleeding.

What this interaction means in plain words

Defibrotide and Fluvoxamine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Defibrotide belongs to Cardiovascular; Fluvoxamine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive effects on hemostasis from SSRI platelet dysfunction and defibrotide's profibrinolytic and antithrombotic activity.

What to do

Monitor for bleeding and consider whether fluvoxamine can be held during defibrotide therapy in patients with high bleeding risk.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Defibrotide with Fluvoxamine?

MediHelp rates the interaction as moderate. Defibrotide and Fluvoxamine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Defibrotide has profibrinolytic activity and can enhance the effects of agents that affect hemostasis. Fluvoxamine impairs platelet function, so combined use may increase the risk of bleeding.

How serious is the interaction between Defibrotide and Fluvoxamine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for bleeding and consider whether fluvoxamine can be held during defibrotide therapy in patients with high bleeding risk.

What other medicines interact with Fluvoxamine?

MediHelp also lists interactions of Fluvoxamine with, for example, Agomelatine, Alosetron, Fezolinetant. The full list is on the Fluvoxamine page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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