HOW TO USE: Take this medication by mouth once a day; or use as directed by your doctor. This drug may be taken with or without food. The chewable tablet form of this medication may be taken with or without water. Do not increase your dose or take this more often than directed. Do not take this medication for several days before allergy testing since test results can be affected.
DRUG INTERACTIONS: Cetirizine should be taken only in doses prescribed. Increasing the dose can be dangerous. When taking cetirizine with theophylline the dose of theophylline may need to be reduced. Cetirizine occasionally can cause sleepiness . Cetirizine can be taken with erythromycin or ketaconazole without the increased risk of heart irregularities common to other non-sedating antihistamines. Cetirizine also can be used to treat children.
Children's Zyrtec 10 mg chewable tablets, grape-flavored
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