Drug reference
levocetirizine
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.
Drug class
Respiratory (Anti Histamine)
Mechanism of action
Levocetirizine selectively inhibits histamine H1 receptors. This action prevents histamine from activating this receptor.
Common side effects
- Pharyngitis
- Nasopharyngitis
- Dry mouth
- Fatigue
Contraindications
- Hypersensitivity to levocetirizine or cetirizine ESRD (CrCl <10 mL/min) or patients undergoing hemodialysis Children aged 6 month to <12 years with renal impairment
Known interactions (1)
- levocetirizine + Promethazine Moderate
Related conditions
Frequently asked questions
What drug class is levocetirizine?
levocetirizine belongs to: Respiratory.
How does levocetirizine work?
Levocetirizine selectively inhibits histamine H1 receptors. This action prevents histamine from activating this receptor.
What are the common side effects of levocetirizine?
Pharyngitis, Nasopharyngitis, Dry mouth, Fatigue
Which drugs interact with levocetirizine?
Promethazine
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