Levocetirizine: Uses & Side effects

Levocetirizine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms such as a runny nose or hives.

Levocetirizine is used to treat symptoms of year-round (perennial) allergies in children who are at least 6 months old.

Levocetirizine is also used to treat itching and swelling caused by chronic urticaria (hives) in adults and children who are at least 6 months old.

Important Information

all directions on your medicine label and package. Tell each of your healthcare
providers about all your medical conditions, allergies, and all medicines you

Side effects

emergency medical help if you have signs
of an allergic reaction: hives; difficulty breathing; swelling of your
face, lips, tongue, or throat.

using levocetirizine and call your doctor at once if you have:

  • worsening allergy or urticaria symptoms;
  • painful or difficult urination;
  • little or no urination;
  • a light-headed feeling, like you might pass
  • fever; or
  • signs of an ear infection–ear pain or full
    feeling, trouble hearing, drainage from the ear, fussiness in a child.

side effects may include:

  • drowsiness, tiredness;
  • sinus pain;
  • ear infection;
  • cough;
  • fever;
  • nosebleed;
  • vomiting, diarrhea, constipation;
  • dry mouth; or
  • weight gain.


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