Generic Name: Levocetirizine

  • What is Xyzal?

    Xyzal is an antihistamine used for the relief of symptoms associated with seasonal and perennial allergic rhinitis and chronic idiopathic urticaria.
  • What is the most important information I should know about Xyzal?

    Xyzal may impair mental alertness. Do not engage in any hazardous activities requiring mental alertness, such as operating machinery, driving, etc.
  • Who should not take Xyzal?

    Do not take Xyzal if you have a known hypersensitivity to levocetirizine or any of its ingredients. Do not use Xyzal if you have kidney problems.
  • What should I tell my doctor before I take the first dose of Xyzal?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Xyzal. Also talk to your doctor about your complete medical history, especially if have kidney problems.
  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults: The usual dosage of Xyzal is 5 milligrams (mg) once daily.

    Children: The usual dosage of Xyzal is 2.5 mg once daily.

  • How should I take Xyzal?

    Take Xyzal as prescribed in the evening.
  • What should I avoid while taking Xyzal?

    Avoid driving and operating machinery. Do not mix alcohol or any other central nervous system depressants with Xyzal.
  • What are possible food and drug interactions associated with Xyzal?

    If Xyzal is used with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Xyzal with the following: antipyrene, azithromycin, cimetidine, erythromycin, ketoconazole, theophylline, pseudoephedrine, and ritonavir.
  • What are the possible side effects of Xyzal?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: allergic reactions, increased sleepiness, fatigue

    Signs of severe allergic reactions may include hives, difficulty breathing, and swelling of the throat. If any of these events occur, seek immediate medical attention.

  • Can I receive Xyzal if I am pregnant or breastfeeding?

    Xyzal is to be avoided during pregnancy and breastfeeding.
  • What should I do if I miss a dose of Xyzal?

    If you miss a dose, take it as soon as you remember. If it is within 12 hours of your next dose, do not take the missed dose. Just take the next dose at your regular time. Do not take two doses at the same time to make up for a missed dose.
  • How should I store Xyzal?

    Store at room temperature.