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Drug interactions

Degarelix + Methadone

Severity: Moderate

Degarelix and Methadone: 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

Androgen deprivation therapy including degarelix can prolong the QT interval, and methadone has a similar effect. Combined use may increase the risk of torsades de pointes, particularly with other risk factors.

What this interaction means in plain words

Degarelix and Methadone 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.

Degarelix belongs to Endocrine; Methadone belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Additive QT prolongation.

What to do

Obtain a baseline ECG and correct electrolyte abnormalities. Repeat the ECG if methadone is increased or other QT-prolonging drugs are added.

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 Degarelix with Methadone?

MediHelp rates the interaction as moderate. Degarelix and Methadone 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. Androgen deprivation therapy including degarelix can prolong the QT interval, and methadone has a similar effect. Combined use may increase the risk of torsades de pointes, particularly with other risk factors.

How serious is the interaction between Degarelix and Methadone?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and correct electrolyte abnormalities. Repeat the ECG if methadone is increased or other QT-prolonging drugs are added.

What other medicines interact with Methadone?

MediHelp also lists interactions of Methadone with, for example, Alvimopan, Calcium / magnesium / potassium / sodium oxybates, Droperidol. The full list is on the Methadone page.

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

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