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Drug interactions

Amobarbital + Mirtazapine

Severity: Moderate

Amobarbital and Mirtazapine: 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

Amobarbital can reduce mirtazapine concentrations and may lessen antidepressant effect. Both drugs are sedating, so additive CNS depression also occurs.

What this interaction means in plain words

Amobarbital and Mirtazapine 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.

Amobarbital belongs to Central Nervous System; Mirtazapine belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

CYP3A4 induction by amobarbital increases mirtazapine metabolism, and both drugs have additive CNS depressant effects.

What to do

Monitor depressive symptoms and sedation, and increase the mirtazapine dose if the response is lost.

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 Amobarbital with Mirtazapine?

MediHelp rates the interaction as moderate. Amobarbital and Mirtazapine 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. Amobarbital can reduce mirtazapine concentrations and may lessen antidepressant effect. Both drugs are sedating, so additive CNS depression also occurs.

How serious is the interaction between Amobarbital and Mirtazapine?

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 depressive symptoms and sedation, and increase the mirtazapine dose if the response is lost.

What other medicines interact with Amobarbital?

MediHelp also lists interactions of Amobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Amobarbital page.

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

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