This page gives information on Zyrtec for babies and toddlers, including
Zyrtec is the brand name for a drug called Cetirizine. Cetirizine is an antihistamine drug and is a sedating antihistamine which means it can make children drowsy.
Cetirizine (common brand name Zyrtec) is used as an anti-histamine, so is used mainly for:
The dose of Cetirizine depends on age as below:
Zyrtec comes in a 1mg/ml solution (so 2.5 mg = 2.5 ml). There is also a 10mg/ml oral drops preparation (so 5 mg is 1/2 ml).
Make sure you check the strength of the solution.
Caution should be used in children less than 2 years of age and Cetirizine should not be used in children less than 6 years who have liver or kidney problems. The dose should be reduced in children over 6 years of age who have liver or kidney problems.
The most common side effect of Cetirizine is sleepiness. Children can also cause a dry mouth, nausea, vomiting or diarrhea and even abdominal pain.
Serious side effects such as hepatitis or bronchospasm (respiratory distress with wheeze) are rare.
Last reviewed 21 November 2007
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