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Drug interactions

Buprenorphine subdermal implant + Lisdexamfetamine

Severity: Moderate

Buprenorphine subdermal implant and Lisdexamfetamine: 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

Amphetamines and opioids such as buprenorphine can both raise serotonergic activity, and serotonin syndrome has been reported with such combinations. Presentation includes agitation, tremor, hyperthermia, autonomic instability and neuromuscular hyperactivity. Risk is highest at initiation or dose changes.

What this interaction means in plain words

Buprenorphine subdermal implant and Lisdexamfetamine 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: Low

Why it happens

Additive serotonergic effects: amphetamines increase serotonin release and buprenorphine has weak serotonergic activity.

What to do

Observe the patient closely for serotonin syndrome, particularly when starting or adjusting doses. If it is suspected, stop the serotonergic agents and give supportive care.

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 Buprenorphine subdermal implant with Lisdexamfetamine?

MediHelp rates the interaction as moderate. Buprenorphine subdermal implant and Lisdexamfetamine 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. Amphetamines and opioids such as buprenorphine can both raise serotonergic activity, and serotonin syndrome has been reported with such combinations. Presentation includes agitation, tremor, hyperthermia, autonomic instability and neuromuscular hyperactivity. Risk is highest at initiation or dose changes.

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

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Observe the patient closely for serotonin syndrome, particularly when starting or adjusting doses. If it is suspected, stop the serotonergic agents and give supportive care.

What other medicines interact with Lisdexamfetamine?

MediHelp also lists interactions of Lisdexamfetamine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Lisdexamfetamine page.

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