Answer
May 11, 2026 - 09:08 AM
The number one side effect of Zyrtec (cetirizine) is drowsiness or sleepiness. Some people may also experience dry mouth, but drowsiness is reported most frequently.
What is the number one side effect of Zyrtec? Zyrtec Medications
Status:
Open May 11, 2026 - 09:08 AM
Do you have the same question? Follow this Question
1answer
View More Product Details
Browse by Category
Medications
View our complete selection of Medications to find the one that suites your needs.
View All
View all Medications Questions & Answers
View all Zyrtec Questions & Answers
