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Drug interactions

Azelastine + Nettle

Severity: Minor

Azelastine and Nettle: minor 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

High doses of nettle have been proposed to have sedative activity that could add to azelastine's sedating effect. The interaction is theoretical and unlikely to matter at usual doses.

What this interaction means in plain words

Azelastine and Nettle have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Theoretical additive CNS depression.

What to do

Advise patients to note any increased drowsiness, especially with high-dose nettle products, and to avoid driving if affected.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Azelastine with Nettle?

MediHelp rates the interaction as minor. Azelastine and Nettle have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. High doses of nettle have been proposed to have sedative activity that could add to azelastine's sedating effect. The interaction is theoretical and unlikely to matter at usual doses.

How serious is the interaction between Azelastine and Nettle?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to note any increased drowsiness, especially with high-dose nettle products, and to avoid driving if affected.

What other medicines interact with Azelastine?

MediHelp also lists interactions of Azelastine with, for example, Calcium / magnesium / potassium / sodium oxybates, Methadone, Sodium oxybate. The full list is on the Azelastine page.

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

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