Medically reviewed by Daniel More, MDMedically reviewed by Daniel More, MD Common side effects of Zyrtec (cetirizine) can include drowsiness, fatigue, dry mouth, sore throat, and dizziness.
Two of the biggies are Zyrtec and Claritin — over-the-counter drugs have been helping folks with seasonal allergies for years. But which is right for you? And it matters, because although Zyrtec ...