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Xyzal Allergy vs. Zyrtec

Levocetirizine (Xyzal Allergy) is an antihistamine. It's used to relieve allergy symptoms and chronic hives in adults and children. Levocetirizine (Xyzal Allergy) is available both over the counter and by prescription, and comes as a tablet and a liquid. Your dosage can depend on your age. This medication is taken by mouth, typically once daily. Some side effects of levocetirizine (Xyzal Allergy) include drowsiness and the common cold-like symptoms.

• Short-term relief of allergy symptoms (sneezing, runny nose, itchy or watery eyes, itching of the nose or throat)
• Relief of itchiness due to chronic (long-term) hives - by prescription only

People 12 years and older:

• Sleepiness (up to 6%)
• Cold-like symptoms (up to 6%)
• Fatigue (up to 4%)

Children under 12 years old:

• Fever (4%)
• Diarrhea (up to 4%)
• Vomiting (up to 4%)

• Sleepiness
• Accidentally taking too much medication

Cetirizine (Zyrtec) is an antihistamine. It's used for relief of allergy symptoms, such as runny nose or watery eyes, in adults and children. Cetirizine (Zyrtec) is also a safe option for people who are pregnant. This medication is available in different formulations, including tablets and liquid solutions. Typically, cetirizine (Zyrtec) is taken by mouth once per day. The most common side effect of cetirizine (Zyrtec) is sleepiness. But it's less likely to make you drowsy compared to some other antihistamines, such as diphenhydramine (Benadryl).

• Short-term relief of allergy symptoms (sneezing, runny nose, itchy or watery eyes, itching of the nose or throat)
• Relief of itchiness due to chronic (long-term) hives in children ages 6 months to under 6 years old - certain liquid solutions only

People 12 years of age and older:

• Sleepiness (14%)
• Tiredness (6%)
• Dry mouth (5%)

Children age 6 to under 12 years:

• Headache (11-14%)
• Sore throat (3-6%)
• Stomach pain (4-6%)
• Cough (3-4%)
• Sleepiness (2-4%)

• Sleepiness
• Accidentally taking too much medication