Zyrtec for allergic rhinitis

When the cold wind touches me, my nose immediately starts running. So, even in summer, I usually wear thin long sleeves. Once my runny nose starts, it lasts for more than half a day, and I get headaches and feel miserable. At such times, I take Zyrtec. I always carry it as a staple medication. Within an hour, the runny nose...

It calms down. Taking only one pill a day lasts about 24 hours.