Drug Uses

Zyrtec is used for preventing or treating symptoms of hay fever and other upper respiratory allergies such as stuffy nose, runny nose, sneezing, itching of the nose and throat, and itchy, watery eyes. It is also used for preventing or treating chronic hives. It may also be used for other conditions as determined by your doctor.

How to use

Use Zyrtec as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Take Zyrtec by mouth with or without food.
If you miss a dose of this medicine, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Drug Class and Mechanism

Zyrtec is an antihistamine. It works by blocking the action of histamine and reduces the symptoms of an allergic reaction.

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Storage

Store at 20-25 degrees C (68-77 degrees F); excursions permitted to 15-30 degrees C (59-86 degrees F).

Warnings/Precautions

Do not use Zyrtec, if you are allergic to any ingredient in Zyrtec or to hydroxyzine Contact your doctor or health care provider right away if any of these apply to you.
Some medical conditions may interact with Zyrtec . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

if you are pregnant, plan to become pregnant, or are breast-feeding
if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
if you have allergies to medicines, foods, or other substances
if you have kidney or liver problems, or are receiving dialysis