Generic Name: Cetirizine hydrochloride

  • Other names:

    Zyrtec Tablets, Zyrtec Liquid Gels
  • What is this medication?

    Zyrtec contains an antihistamine. It is intended to provide temporarily relief from runny nose, sneezing, itchy or watery eyes, and itchy nose or throat due to hay fever or other allergies affecting the upper respiratory system.
  • Are there any warnings associated with Zyrtec?

    Do not use if you have ever had an allergic reaction to this product or any of its ingredients, or to an antihistamine containing hydroxyzine.

    Stop using this product and ask a doctor if an allergic reaction occurs. Seek medical help right away.

    Drowsiness may occur when using this product. Avoid alcoholic drinks while taking this product. Alcohol, sedatives, and tranquilizers may increase drowsiness. Be careful while driving a motor vehicle or operating machinery.

    This medication is not recommended for women who are breastfeeding.

    Keep Zyrtec out of reach of children. In the event of an overdose, seek medical help or contact a poison control center immediately.

  • Should I talk to my doctor before taking this medication?

    Talk to a doctor before taking Zyrtec if you have liver or kidney disease. Your doctor should determine if you need a different dose.

    Ask a doctor before using this medication if you are taking a tranquilizer or sedative drug.

    Talk to a doctor before using Zyrtec if you are pregnant.

  • What are the possible side effects of this medication?

    You may become drowsy while taking this medication.

    Side effects cannot always 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.

  • What should I avoid while taking this medication?

    Avoid drinking alcoholic beverages while taking Zyrtec.
  • What are possible food and drug interactions associated with this medication?

    You may become drowsier when using this medication if you consume alcohol or take tranquilizer or sedative drugs.

    If Zyrtec is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Always check with your doctor before combining Zyrtec with any other medication.

  • What is the usual dosage of Zyrtec?

    Adults and children 6 years: Take one 10-milligram (mg) tablet/capsule daily. Do not take more than one 10-mg tablet/capsule in 24 hours. A 5 mg product may be appropriate for less severe symptoms.

    Adults 65 years: Talk to a doctor about dosage recommendations.

    Children <6 years: Talk to a doctor about dosage recommendations.

  • How should I store this medication?

    Store at room temperature. For liquid gels, avoid high humidity or excessive heat above 40°C (104°F) and protect from light.

Meet the Pharmacists

I'm Shereen A. Gharbia, PharmD. Welcome to PDR Health!

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