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Drug interactions

Tapentadol + Valerian

Severity: Moderate

Tapentadol and Valerian: 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

Valerian has mild sedative properties that can add to opioid-induced drowsiness and psychomotor impairment. The effect is usually modest but can matter in older or frail patients or at higher opioid doses.

What this interaction means in plain words

Tapentadol and Valerian 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

Additive CNS depression, likely via GABAergic activity of valerian components.

What to do

Advise patients to avoid valerian while taking tapentadol or to monitor closely for excess sedation. Stop valerian if drowsiness or confusion develops.

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.

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Frequently asked questions

Can I take Tapentadol with Valerian?

MediHelp rates the interaction as moderate. Tapentadol and Valerian 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. Valerian has mild sedative properties that can add to opioid-induced drowsiness and psychomotor impairment. The effect is usually modest but can matter in older or frail patients or at higher opioid doses.

How serious is the interaction between Tapentadol and Valerian?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid valerian while taking tapentadol or to monitor closely for excess sedation. Stop valerian if drowsiness or confusion develops.

What other medicines interact with Tapentadol?

MediHelp also lists interactions of Tapentadol with, for example, Calcium / magnesium / potassium / sodium oxybates, Isocarboxazid, Linezolid. The full list is on the Tapentadol page.

Full monographs, dosing and an interaction checker in the MediHelp app

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