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Drug interactions

Hyaluronidase + Hydroxyzine

Severity: Minor

Hyaluronidase and Hydroxyzine: 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

Large systemic doses of antihistamines are reported to make tissues partly resistant to hyaluronidase, so the spreading effect may be reduced. Higher hyaluronidase amounts might be needed to achieve the desired dispersion.

What this interaction means in plain words

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

Hyaluronidase belongs to Miscellaneous; Hydroxyzine belongs to Respiratory.

Evidence level: Low

Why it happens

Antihistamines may reduce tissue responsiveness to hyaluronidase; the mechanism is not clearly defined.

What to do

Assess the dispersion effect and increase the hyaluronidase dose if the response is inadequate. No routine hydroxyzine adjustment is needed for typical doses.

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 Hyaluronidase with Hydroxyzine?

MediHelp rates the interaction as minor. Hyaluronidase and Hydroxyzine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Large systemic doses of antihistamines are reported to make tissues partly resistant to hyaluronidase, so the spreading effect may be reduced. Higher hyaluronidase amounts might be needed to achieve the desired dispersion.

How serious is the interaction between Hyaluronidase and Hydroxyzine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Assess the dispersion effect and increase the hyaluronidase dose if the response is inadequate. No routine hydroxyzine adjustment is needed for typical doses.

What other medicines interact with Hydroxyzine?

MediHelp also lists interactions of Hydroxyzine with, for example, Droperidol, Pimozide, Thioridazine. The full list is on the Hydroxyzine page.

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