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Drug interactions

Loratadine + Pregabalin

Severity: Minor

Loratadine and Pregabalin: 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

Pregabalin causes somnolence and dizziness and carries a warning for respiratory depression with other CNS depressants. Loratadine is minimally sedating, so additive effects are likely small but may matter in vulnerable patients.

What this interaction means in plain words

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

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

Evidence level: Low

Why it happens

Possible additive CNS depression through pharmacodynamic synergism.

What to do

No routine change is needed; counsel about drowsiness and driving. Monitor elderly or respiratory-compromised patients for excess sedation.

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 Loratadine with Pregabalin?

MediHelp rates the interaction as minor. Loratadine and Pregabalin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pregabalin causes somnolence and dizziness and carries a warning for respiratory depression with other CNS depressants. Loratadine is minimally sedating, so additive effects are likely small but may matter in vulnerable patients.

How serious is the interaction between Loratadine and Pregabalin?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed; counsel about drowsiness and driving. Monitor elderly or respiratory-compromised patients for excess sedation.

What other medicines interact with Loratadine?

MediHelp also lists interactions of Loratadine with, for example, Acrivastine, Amobarbital, Fentanyl. The full list is on the Loratadine page.

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

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