Dosage guidance for Children's Zyrtec Allergy Relief syrup is: Ages 2 to under 6: Take 2.5 milliliters (mL) once a day. If ...

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 ...

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.

After crunching some numbers, I found that Zyrtec costs about $28 for 30 tablets of 10 mg. In comparison, with coupons, the generic version could be as low as $3 for the same dosage.

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 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 ...