Skip to content

Drug interactions

Cyproheptadine + Metaxalone

Severity: Moderate

Cyproheptadine and Metaxalone: 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 cause drowsiness and dizziness, and together they may further impair alertness and coordination. Falls are a concern in older patients.

What this interaction means in plain words

Cyproheptadine and Metaxalone 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.

Cyproheptadine belongs to Respiratory; Metaxalone belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Additive CNS depressant effects.

What to do

Monitor for excessive sedation and psychomotor impairment, and advise against driving. Lower the dose of either drug if drowsiness is troublesome.

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 Cyproheptadine and Metaxalone, 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 Cyproheptadine with Metaxalone?

MediHelp rates the interaction as moderate. Cyproheptadine and Metaxalone 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 cause drowsiness and dizziness, and together they may further impair alertness and coordination. Falls are a concern in older patients.

How serious is the interaction between Cyproheptadine and Metaxalone?

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 psychomotor impairment, and advise against driving. Lower the dose of either drug if drowsiness is troublesome.

What other medicines interact with Cyproheptadine?

MediHelp also lists interactions of Cyproheptadine with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Cyproheptadine 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