Skip to content

Drug interactions

Asenapine + Methocarbamol

Severity: Moderate

Asenapine and Methocarbamol: 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

Asenapine commonly causes somnolence, and methocarbamol also sedates. Together they may cause excessive drowsiness, dizziness and impaired psychomotor function.

What this interaction means in plain words

Asenapine and Methocarbamol 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.

Asenapine belongs to Central Nervous System; Methocarbamol belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Additive CNS depression.

What to do

Use the lowest effective doses and counsel about driving and hazardous tasks. Reduce one agent if sedation or orthostatic symptoms 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 Asenapine and Methocarbamol, 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 Asenapine with Methocarbamol?

MediHelp rates the interaction as moderate. Asenapine and Methocarbamol 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. Asenapine commonly causes somnolence, and methocarbamol also sedates. Together they may cause excessive drowsiness, dizziness and impaired psychomotor function.

How serious is the interaction between Asenapine and Methocarbamol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective doses and counsel about driving and hazardous tasks. Reduce one agent if sedation or orthostatic symptoms occur.

What other medicines interact with Methocarbamol?

MediHelp also lists interactions of Methocarbamol with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Methocarbamol 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