Does Zyrtec make you feel wonky?

Anonymous
I don’t usually take Zyrtec but did last night as my eyes were itchy.
Boy this morning I feel drowsy and light headed - not myself.
Could Zyrtec cause this?

Btw my kids’ pedi docs always recommend Zyrtec over any other daily allergy med, so I give it to them frequently for seasonal allergies.

Anonymous
Not me, but my DH says allergy meds make him really drowsy.
Anonymous
Not at all. Far better for me than other options.
Anonymous
Yes, I sleep amazing with Zyrtec but also sluggish during the day. Apparently you develop a tolerance after a while if you take it regularly but I only take it when I visit houses with cats.
Anonymous
Yes, Zyrtec makes me feel weird for a whole day. Not worth it.
Anonymous
If you need a temporary allergy relief, that doesn't make you drowsy, I suggest Aleve D. It perks me right up and clears my sinuses.

It's not for daily use though, so keep that in mind.
Anonymous
Yes, it's well-known that Zyrtec is the anti-histamine that makes people sleepy. It's also very effective, but some people need to take it for a week before getting used to the drowzy effect. When I was a teenager and other histamines didn't exist, I had to wait 2 weeks for the drowziness to go away. I took Zyrtec for the entire spring due to severe pollen allergies.
Anonymous
Yes it’s a side effect for sure.

Try Allegra.
Anonymous
I had to take it for a few years and in retrospect was drowsy all the time.
Anonymous
No I love it. I can do Benadryl.
Anonymous
Meant to say can’t do Benadryl.
Anonymous
Yes, as does Benadryl. Allegra and Claritin do not.
Anonymous
Interesting, I haven’t noticed this side effect, and I’m pretty sensitive to a lot of meds (can’t do Benadryl or most cold medicines because I feel really loopy and unable to function). I take Zyrtec off and on pretty regularly.
Anonymous
I was taking zyrtec regularly for awhile and noticed that I was having a lot of heart palpitations. When I stopped taking it, things went back to normal.
Anonymous
Yes, I get slightly drowsy from Zyrtec. Benadryl will knock me out for 2 days so I think I'm very sensitive to antihistamines.
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