Zyrtec Problems?

My boyfriend has had some severe sinus allergies. He has taken Sudephed PE, Wal-Phed and generic Benedryl, which none have worked. The other day he got Zyrtec Allergy in 10 mg 14 Tablets and has been working but he the only thing he complains about are these headaches. He didn't have them before he took the tablets.

I have researched the drug ever since we got the stuff and no side effects of headaches were found in adult but it was found in the childrens side effects.

He doesn't understand why he has the headaches. Is it the tablets working? Today, he said that he could smell a lot more and is feeling a little better. I am just concerned why he is having this symptom when clearly he did not have it before taking them.

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Zyrtec contains the active ingredient Cetirizine and if you look at the monograph from the manufacturer, it does list headache as a possible side effect, along with drowsiness, nausea and sore throat.

However, most side effects will hit their peak around 4 to 6 weeks, when the medication reaches its full effectiveness in the body and they should start to taper off and lessen in severity, after that.

https:/­/­rxchat.com/­wiki/­Cetirizine/­


There are no problems listed between it and Acetaminophen being used together, so he could take Tylenol or the generic equivalent to see if it helps with the headaches.

https:/­/­rxchat.com/­wiki/­Acetaminophen/­

Are there any other comments or questions?

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