Related Experiment Video
Updated: Aug 7, 2026

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
Published on: March 3, 2023
[Zrytec drops in the treatment of allergy rhinitis in children]
1Ninth People's Hospital, Shanghai 200011.
Insights
Zyrtec (Cetirizine 2 HCL) drops effectively treat allergy rhinitis in children. This study found significant symptom improvement and good tolerance in young patients.
Area of Science:
- Pediatric Allergy and Immunology
- Pharmacology and Therapeutics
Background:
- Allergic rhinitis (AR) is a common condition in children.
- Effective and safe treatment options are crucial for managing pediatric AR.
Purpose of the Study:
- To evaluate the efficacy and safety of Zyrtec (Cetirizine 2 HCL) drops for treating allergy rhinitis in children.
- To assess the clinical effectiveness and tolerability of Zyrtec drops in a pediatric population.
Main Methods:
- A randomized study included 47 children aged 2-6 years with AR.
- Participants received Zyrtec (Cetirizine 2 HCL) drops 5 mg daily for 3 weeks.
- Symptom scores were evaluated weekly to assess treatment response.
Main Results:
- Statistically significant improvement in allergy rhinitis symptoms was observed weekly (P < 0.01).
- Zyrtec drops demonstrated excellent efficacy by the study's end.
- The treatment showed good tolerance among the pediatric participants.
Conclusions:
- Zyrtec drops are a highly effective treatment for pediatric allergic rhinitis.
- The medication offers rapid action, potency, good tolerance, and ease of use.
- Zyrtec drops represent a beneficial therapeutic option for children with AR.
Objective:
To assess the efficacy and safety of Zyrtec drops which is a patent product of UCB pharma in treatment of allergy rhinitis in children.
Method:
A total of 47 children of both sexes aged between 2 to 6 years with allergy rhinitis (AR) were included in this study, who were randomly selected to be treated with Zyrtec (Cetirizine 2 HCL) drops 5 mg daily for 3 weeks. Investigators made a global evaluation with symptom scores before treatment and once a week for 3 weeks after treatment.
Result:
An improvement was shown in each week after treatment with statistical significance (P < 0.01). Zyrtec drops provided an excellent improvement at the end of the study. Tolerance was good.
Conclusion:
For acting fast, potent, good tolerance and convenience in use, Zyrtec drops is a better treatment in AR in kids.

