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Drug interactions

Armodafinil + Buprenorphine subdermal implant

Severity: Moderate

Armodafinil and Buprenorphine subdermal implant: 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

Armodafinil may lower buprenorphine concentrations. In patients with an implant, which cannot be titrated, this may cause withdrawal symptoms or loss of opioid dependence control.

What this interaction means in plain words

Armodafinil and Buprenorphine subdermal implant 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.

Evidence level: Moderate

Why it happens

Armodafinil induces CYP3A4, increasing buprenorphine metabolism.

What to do

Monitor for withdrawal signs and cravings; if they occur and armodafinil cannot be stopped, consider removing the implant and switching to an adjustable buprenorphine form.

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 Armodafinil with Buprenorphine subdermal implant?

MediHelp rates the interaction as moderate. Armodafinil and Buprenorphine subdermal implant 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. Armodafinil may lower buprenorphine concentrations. In patients with an implant, which cannot be titrated, this may cause withdrawal symptoms or loss of opioid dependence control.

How serious is the interaction between Armodafinil and Buprenorphine subdermal implant?

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 withdrawal signs and cravings; if they occur and armodafinil cannot be stopped, consider removing the implant and switching to an adjustable buprenorphine form.

What other medicines interact with Armodafinil?

MediHelp also lists interactions of Armodafinil with, for example, Avapritinib, Elacestrant, Elbasvir / grazoprevir. The full list is on the Armodafinil page.

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

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