Medically reviewed by Lindsay Cook, PharmD Xyzal (levocetirizine) and Zyrtec (cetirizine) are antihistamines taken to relieve allergy symptoms such as sneezing, runny nose, itchy eyes, and hives.

Antihistamines for Allergies - Antihistamines help with allergies & reactions. But they can come with their set of side effects. ... Cetirizine (Zyrtec) Fexofenadine (Allegra) ...

Medically reviewed by Mary Choy, PharmDMedically reviewed by Mary Choy, PharmD Zyrtec (cetirizine) is an over-the-counter ...

Zyrtec is an effective allergy medication, but there are some Zyrtec side effects to know about, like dry mouth and sleepiness. Allergists explain what to do.

The FDA said cetirizine and levocetirizine are the allergy medicines that could cause the itching side effect. They are sold under the brand names Zyrtec and Xyzal, respectively.

Just in time for allergy season, a recent FDA warning describes a new side effect for those who take Zyrtec or Xyzal long-term. This is what you should know.

The U.S. Food and Drug Administration has warned that patients who stop long-term use of the popular oral allergy medications Zyrtec or Xyzal may experience "rare but severe itching," in a May 16 ...

FDA Requires Warning About Rare but Severe Itching After Stopping Long-Term Use of Oral Allergy Medicines Cetirizine or Levocetirizine (Zyrtec, Xyzal, and Other Trade Names). U.S. Food and Drug ...