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Drug interactions

Hydroxyzine + Pregabalin

Severity: Moderate

Hydroxyzine and Pregabalin: 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

Hydroxyzine and pregabalin both cause sedation, so together they can produce excessive drowsiness, dizziness and impaired psychomotor performance. Respiratory depression is possible, especially in older or medically compromised patients.

What this interaction means in plain words

Hydroxyzine and Pregabalin 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.

Hydroxyzine belongs to Respiratory; Pregabalin belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive CNS depression from pregabalin and the sedating antihistamine hydroxyzine.

What to do

Start with low doses and titrate carefully, advising patients to avoid driving until the response is known. Monitor for sedation and respiratory depression, particularly in the elderly.

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 Hydroxyzine with Pregabalin?

MediHelp rates the interaction as moderate. Hydroxyzine and Pregabalin 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. Hydroxyzine and pregabalin both cause sedation, so together they can produce excessive drowsiness, dizziness and impaired psychomotor performance. Respiratory depression is possible, especially in older or medically compromised patients.

How serious is the interaction between Hydroxyzine and Pregabalin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Start with low doses and titrate carefully, advising patients to avoid driving until the response is known. Monitor for sedation and respiratory depression, particularly in the elderly.

What other medicines interact with Pregabalin?

MediHelp also lists interactions of Pregabalin with, for example, Alprazolam, Amobarbital, Belladonna and opium. The full list is on the Pregabalin page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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