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What is Xyzal?

Xyzal is a prescription medication that is used to treat the symptoms of chronic urticaria and of year-round allergies. Xyzal is an antihistamine that contains levocetirizine. Levocetirizine works by reducing the effects of histamine in your body to prevent symptoms including hives and a runny nose.

Make sure to always read the patient information and instructions before using this medication. Always follow your doctor’s directions.

  • Xyzal is typically taken once a day in the evening.
  • Xyzal can be taken with or without food.
  • Taking more Xyzal than directed will not increase its effectiveness but can increase the risk of severe drowsiness.
  • Speak to your doctor if your condition persists or worsens.


Tell your doctor and pharmacist:

  • About your drug and other allergies.
  • If you take any other prescription or over-the-counter medications.
  • Your medical history particularly of kidney disease, liver disease, gallbladder problems or urination problems.
  • If you are on dialysis.
  • If you are pregnant or planning pregnancy.
  • If you are breast-feeding.

You should also know:

  • Children’s bodies absorb much more of this medication than adults. Do not give children any more than their prescribed dose of Xyzal.

Side Effects of Xyzal

Common side effects of Xyzal include but are not limited to:

  • Tiredness or drowsiness.
  • Ear infection.
  • Sinus pain.
  • Fever.
  • Vomiting.
  • Diarrhea or constipation.
  • Weight gain.
  • Nosebleed.
  • Cough.
  • Dry mouth.

Get medical help if you have any of the following side effects of levocetirizine.

  • Worsening symptoms of urticaria or allergies.
  • Little, no, painful or difficult urination.
  • Fever.
  • Feeling lightheaded or like you might pass out.
  • Signs of an ear infection including trouble hearing, ear pain, ear drainage, a full feeling or in children, fussiness.
  • Symptoms of an allergic reaction such as difficulty breathing, hives or swelling in your face, lips or throat.


What should I do if I miss a dose of Xyzal?

If you miss a dose of Xyzal, you should take it as soon as you remember. However, if it is almost time for your next dose, then skip your missed dose.

What is the strength of Xyzal?

Both Xyzal and the generic alternative levocetirizine are both available at a strength of 5%.

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March 23, 2023

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A valid Prescription is required to be mailed or faxed to complete this order. I acknowledge that I will need to be contacted to complete a health profile before my order is shipped.

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