Answer
Yes. It is less sedating than older antihistamines, but drowsiness and fatigue are recognised common effects.
Sources for this answer
- Levocetirizine 5 mg film-coated tablets — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.