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Drug interactions

Bremelanotide + Methadone

Severity: Minor

Bremelanotide and Methadone: minor 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

Bremelanotide slows gastric emptying and may reduce the rate and extent of absorption of oral drugs. This could theoretically lower or delay methadone absorption, but the effect on methadone has not been well characterized and is likely small with intermittent use.

What this interaction means in plain words

Bremelanotide and Methadone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Bremelanotide belongs to Genitourinary; Methadone belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Delayed gastric emptying by bremelanotide may reduce oral absorption of methadone.

What to do

No routine change is needed; monitor for signs of withdrawal or reduced effect if methadone is taken near the time of bremelanotide.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Bremelanotide with Methadone?

MediHelp rates the interaction as minor. Bremelanotide and Methadone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Bremelanotide slows gastric emptying and may reduce the rate and extent of absorption of oral drugs. This could theoretically lower or delay methadone absorption, but the effect on methadone has not been well characterized and is likely small with intermittent use.

How serious is the interaction between Bremelanotide and Methadone?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed; monitor for signs of withdrawal or reduced effect if methadone is taken near the time of bremelanotide.

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

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

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