cetirizine - oral, Zyrtec (cont.)
HOW TO USE: If you are self-treating with the over-the-counter product, read all the directions on the product package before taking this medication. If your doctor has prescribed this medication, follow your doctor's directions and the instructions on your prescription label. If you have any questions, consult your doctor or pharmacist.Take this medication by mouth with or without food, usually once a day or as directed by your doctor. If you are using the chewable tablets, chew the tablets well and swallow.Dosage is based on your age, condition, and response to treatment. Do not increase your dose or take this drug more often than directed. Do not take more of this medication than recommended for your age.Tell your doctor if your allergy symptoms do not improve after 3 days of treatment or if your hives last more than 6 weeks. Seek immediate medical attention if your condition worsens or if you think you have a serious medical problem (e.g., very serious allergic reaction/anaphylaxis).
SIDE EFFECTS: Drowsiness, tiredness, and dry mouth may occur. In children, stomach pain and vomiting may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.If your doctor has prescribed this medication, he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
PRECAUTIONS: Before taking cetirizine, tell your doctor or pharmacist if you are allergic to it; or to hydroxyzine; or if you have any other allergies.Before using this medication, tell your doctor or pharmacist your medical history. Do not self-treat with this medication without consulting your doctor first if you have certain medical conditions such as: kidney disease, liver disease.This drug may make you drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.If you have hives and your doctor has prescribed cetirizine, or if you are considering using this drug to treat your own hives, tell your doctor immediately if you have any of these other symptoms because they may be signs of a more serious condition: hives that are an unusual color, hives that look bruised or blistered, hives that do not itch.Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, older adults may be at greater risk for side effects (e.g., drowsiness) while using this drug.During pregnancy, this medication should be used only when clearly needed and as directed by your doctor. Discuss the risks and benefits with your doctor before taking this drug.This medication passes into breast milk. Breast-feeding is not recommended while using this drug.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Back to Medications Index