Common side effects of Zyrtec (cetirizine) can include drowsiness, fatigue, dry mouth, sore throat, and dizziness. Less common side effects include headaches, and nausea. Diarrhea and coughing ...

Allergies are, in fact, getting worse. That would explain why common allergy medications like Zyrtec (cetirizine) and Xyzal (levocetirizine) fly off drugstore shelves every year to treat allergy ...

Two common allergy medications could cause a severe reaction in some people who stop using it. The U.S. Food and Drug Administration (FDA) issued an alert related to cetirizine (Zyrtec) or ...

The uncomfortable side effect typically appears within days of stopping the medicine after long-term use Zyrtec; Xyzal The FDA is issuing a warning about a rare but severe reaction that can ...

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. Anna Gragert Wellness Editor II Anna ...