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Drug interactions

Tizanidine + Zuranolone

Severity: Major

Tizanidine and Zuranolone: major 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

Zuranolone is a neuroactive steroid GABA-A modulator that causes somnolence and psychomotor impairment, and tizanidine is also sedating. Combined use can worsen drowsiness and impair driving and other tasks.

What this interaction means in plain words

Tizanidine and Zuranolone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Tizanidine belongs to Musculoskeletal; Zuranolone belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive CNS depression from GABA-A positive modulation and alpha-2 agonism.

What to do

Consider reducing the dose of one or both drugs and warn the patient not to drive. Monitor for excessive sedation.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Tizanidine with Zuranolone?

MediHelp rates the interaction as major. Tizanidine and Zuranolone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Zuranolone is a neuroactive steroid GABA-A modulator that causes somnolence and psychomotor impairment, and tizanidine is also sedating. Combined use can worsen drowsiness and impair driving and other tasks.

How serious is the interaction between Tizanidine and Zuranolone?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider reducing the dose of one or both drugs and warn the patient not to drive. Monitor for excessive sedation.

What other medicines interact with Tizanidine?

MediHelp also lists interactions of Tizanidine with, for example, Ciprofloxacin, Fluvoxamine, Pefloxacin. The full list is on the Tizanidine page.

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