Skip to content

Drug interactions

Hydrocodone + Lorcaserin

Severity: Moderate

Hydrocodone and Lorcaserin: 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

Lorcaserin is a serotonin 5-HT2C agonist, and use with serotonergic agents including opioids may theoretically cause serotonin syndrome. Evidence is mainly from labeling warnings rather than reported cases with hydrocodone. Lorcaserin has been withdrawn from the US market.

What this interaction means in plain words

Hydrocodone and Lorcaserin 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

Theoretical additive serotonergic stimulation.

What to do

If used together, monitor for serotonin syndrome symptoms, particularly at initiation or dose changes, and discontinue if they occur.

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 Hydrocodone and Lorcaserin, 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 Hydrocodone with Lorcaserin?

MediHelp rates the interaction as moderate. Hydrocodone and Lorcaserin 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. Lorcaserin is a serotonin 5-HT2C agonist, and use with serotonergic agents including opioids may theoretically cause serotonin syndrome. Evidence is mainly from labeling warnings rather than reported cases with hydrocodone. Lorcaserin has been withdrawn from the US market.

How serious is the interaction between Hydrocodone and Lorcaserin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: If used together, monitor for serotonin syndrome symptoms, particularly at initiation or dose changes, and discontinue if they occur.

What other medicines interact with Hydrocodone?

MediHelp also lists interactions of Hydrocodone with, for example, Alvimopan, Bupropion-naltrexone, Isocarboxazid. The full list is on the Hydrocodone 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