Skip to content

Drug interactions

Cinnarizine + Dantrolene

Severity: Moderate

Cinnarizine and Dantrolene: 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

Cinnarizine can cause drowsiness, and with dantrolene the sedation and weakness may be increased. Alertness and coordination may be impaired.

What this interaction means in plain words

Cinnarizine and Dantrolene 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.

Cinnarizine belongs to Respiratory; Dantrolene belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Additive CNS depression via antihistaminic effects and dantrolene's central effects.

What to do

Counsel on drowsiness and driving, and lower doses if sedation 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 Cinnarizine and Dantrolene, 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 Cinnarizine with Dantrolene?

MediHelp rates the interaction as moderate. Cinnarizine and Dantrolene 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. Cinnarizine can cause drowsiness, and with dantrolene the sedation and weakness may be increased. Alertness and coordination may be impaired.

How serious is the interaction between Cinnarizine and Dantrolene?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel on drowsiness and driving, and lower doses if sedation is troublesome.

What other medicines interact with Dantrolene?

MediHelp also lists interactions of Dantrolene with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Dantrolene 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