Skip to content

Drug interactions

Difelikefalin + Trazodone

Severity: Moderate

Difelikefalin and Trazodone: 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

Both drugs can cause drowsiness and dizziness. Used together, they may produce more sedation and impair alertness and psychomotor performance than either drug alone.

What this interaction means in plain words

Difelikefalin and Trazodone 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.

Difelikefalin belongs to Dermatology; Trazodone belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive central nervous system depressant effects.

What to do

Monitor for excessive sedation and dizziness, especially after starting or increasing either drug. Advise patients to avoid driving or operating machinery until the response is known.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Difelikefalin and Trazodone, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Difelikefalin with Trazodone?

MediHelp rates the interaction as moderate. Difelikefalin and Trazodone 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. Both drugs can cause drowsiness and dizziness. Used together, they may produce more sedation and impair alertness and psychomotor performance than either drug alone.

How serious is the interaction between Difelikefalin and Trazodone?

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 excessive sedation and dizziness, especially after starting or increasing either drug. Advise patients to avoid driving or operating machinery until the response is known.

What other medicines interact with Trazodone?

MediHelp also lists interactions of Trazodone with, for example, Arsenic trioxide, Ibutilide, Isocarboxazid. The full list is on the Trazodone 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.

Browse A–Z · Drug interactions

Get the app Sign in