Childhood Diseases

Posted by: Jen | 2011/02/23



Good day Dr

My son (4 in April) has been on Zyrtec for about two years now. I have heard lately that this could be the reason for his mood swings, one minute laughing and playing and the next crying for something or another. Now i dont know if this has now planted a seed in my mind and now i " see things"  or if the prolonged use of Zyrtec is bad for him.

Please advise

Expert's Reply



This is a good question. Zyrtec is an antihistamine that is usually used to prevent allergies and to treat allergic nasal problems in particular.Zytec is usually remarkably safe for use in young children, but very occasionally it may cause mood swings in some children. Stop the Zyrtec and see if your son's mood improves.If he does not improve it may be another medicine that he may be taking.

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