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Drug interactions

Carbamazepine + Schisandra

Severity: Moderate

Carbamazepine and Schisandra: 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

Schisandra constituents inhibit CYP3A4 and P-glycoprotein and may raise carbamazepine levels. Toxicity such as dizziness and ataxia is possible.

What this interaction means in plain words

Carbamazepine and Schisandra 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

Inhibition of CYP3A4 metabolism by schisandra lignans.

What to do

Avoid the herbal product if possible, or monitor for carbamazepine toxicity and check serum levels.

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 Carbamazepine with Schisandra?

MediHelp rates the interaction as moderate. Carbamazepine and Schisandra 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. Schisandra constituents inhibit CYP3A4 and P-glycoprotein and may raise carbamazepine levels. Toxicity such as dizziness and ataxia is possible.

How serious is the interaction between Carbamazepine and Schisandra?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the herbal product if possible, or monitor for carbamazepine toxicity and check serum levels.

What other medicines interact with Carbamazepine?

MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine page.

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

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