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Drug interactions

Selumetinib + Ticlopidine

Severity: Moderate

Selumetinib and Ticlopidine: 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

Selumetinib has been associated with hemorrhage and its labeling advises caution with antiplatelet agents. Ticlopidine, a potent antiplatelet drug, may add to the bleeding risk.

What this interaction means in plain words

Selumetinib and Ticlopidine 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.

Selumetinib belongs to Oncology; Ticlopidine belongs to Cardiovascular.

Evidence level: Low

Why it happens

Additive bleeding risk from antiplatelet activity of ticlopidine and the bleeding tendency associated with selumetinib; selumetinib's mechanism is not well established.

What to do

Monitor for bleeding and blood counts, including platelets. Reassess the need for both agents if bleeding occurs.

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 Selumetinib with Ticlopidine?

MediHelp rates the interaction as moderate. Selumetinib and Ticlopidine 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. Selumetinib has been associated with hemorrhage and its labeling advises caution with antiplatelet agents. Ticlopidine, a potent antiplatelet drug, may add to the bleeding risk.

How serious is the interaction between Selumetinib and Ticlopidine?

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 blood counts, including platelets. Reassess the need for both agents if bleeding occurs.

What other medicines interact with Ticlopidine?

MediHelp also lists interactions of Ticlopidine with, for example, Mavacamten, Abrocitinib, Acetylsalicylic acid. The full list is on the Ticlopidine page.

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

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