Drug interactions
Gabapentin + Levocetirizine
Severity: Moderate
Gabapentin and Levocetirizine: 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
Both drugs can cause drowsiness and dizziness. Together they may add to sedation and impair psychomotor performance, and gabapentinoids carry a respiratory depression risk particularly in vulnerable patients.
What this interaction means in plain words
Gabapentin and Levocetirizine 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.
Gabapentin belongs to Central Nervous System; Levocetirizine belongs to Respiratory.
Why it happens
Additive central nervous system depressant effects.
What to do
Start with the lowest effective doses and warn the patient about sedation and driving. Monitor for excessive sedation, especially in elderly patients or those with renal or respiratory impairment.
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?
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Other interactions of Levocetirizine
Other interactions of Gabapentin
Frequently asked questions
Can I take Gabapentin with Levocetirizine?
MediHelp rates the interaction as moderate. Gabapentin and Levocetirizine 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. Both drugs can cause drowsiness and dizziness. Together they may add to sedation and impair psychomotor performance, and gabapentinoids carry a respiratory depression risk particularly in vulnerable patients.
How serious is the interaction between Gabapentin and Levocetirizine?
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 the lowest effective doses and warn the patient about sedation and driving. Monitor for excessive sedation, especially in elderly patients or those with renal or respiratory impairment.
What other medicines interact with Levocetirizine?
MediHelp also lists interactions of Levocetirizine with, for example, Acrivastine, Asenapine transdermal, Avapritinib. The full list is on the Levocetirizine page.
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