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Drug interactions

Desloratadine + Pregabalin

Severity: Minor

Desloratadine 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

Desloratadine is relatively non-sedating but can occasionally cause drowsiness, and pregabalin commonly causes somnolence and dizziness. Together they may modestly add to CNS depression.

What this interaction means in plain words

Desloratadine 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.

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

Evidence level: Low

Why it happens

Possible additive central nervous system depressant effects.

What to do

No routine change is needed. Advise patients to watch for drowsiness and to avoid driving if impaired.

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 Desloratadine with Pregabalin?

MediHelp rates the interaction as minor. Desloratadine 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. Desloratadine is relatively non-sedating but can occasionally cause drowsiness, and pregabalin commonly causes somnolence and dizziness. Together they may modestly add to CNS depression.

How serious is the interaction between Desloratadine 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. Advise patients to watch for drowsiness and to avoid driving if impaired.

What other medicines interact with Desloratadine?

MediHelp also lists interactions of Desloratadine with, for example, Erdafitinib, Isocarboxazid, Tranylcypromine. The full list is on the Desloratadine page.

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

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