This first section of our medication database entry focuses on basic drug characteristics, uses and benefits, while part two covers side effects, interactions and additional information.
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Zyrtec Consumer Information
ZYRTEC
Generic Name: cetirizine (se TEER i zeen)
Brand Names: Zyrtec
What is the most important information I should know about cetirizine?
- Use caution when driving, operating machinery, or performing other hazardous activities. Cetirizine may cause dizziness or drowsiness. If you experience dizziness or drowsiness, avoid these activities.
- Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking cetirizine.
What is cetirizine?
- Cetirizine is an antihistamine. Antihistamines prevent sneezing, runny nose, itching and watering of the eyes, and other allergic symptoms.
- Cetirizine is used to treat allergies, hives (urticaria), and other allergic inflammatory conditions.
- Cetirizine may also be used for purposes other than those listed in this medication guide.
Who should not take cetirizine?
- Before taking this medication, tell your doctor if you have kidney or liver disease. You may need a lower dose or special monitoring during your therapy with cetirizine.
- Cetirizine is in the FDA pregnancy category B. This means that it is unlikely to harm an unborn baby. Do not take cetirizine without first talking to your doctor if you are pregnant.
- Cetirizine passes into breast milk and may affect a nursing baby. Do not take cetirizine without first talking to your doctor if you are breast-feeding a baby.
- If you are over 60 years of age, you may be more likely to experience side effects from cetirizine. You may require a lower dose of this medication.
How should I take cetirizine?
- Take cetirizine exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.
- Take each dose with a full glass of water.
- Cetirizine can be taken with or without food.
- Cetirizine is usually taken once daily. Follow your doctor's instructions.
- Store cetirizine at room temperature away from moisture and heat.
What happens if I miss a dose?
- Take the missed dose as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take only your next regularly scheduled dose. Do not take a double dose of this medication.
What happens if I overdose?
- Seek emergency medical attention.
- Symptoms of a cetirizine overdose are not well known, but extreme sleepiness, confusion, and weakness may be expected.
What should I avoid while taking cetirizine?
- Use caution when driving, operating machinery, or performing other hazardous activities. Cetirizine may cause dizziness or drowsiness. If you experience dizziness or drowsiness, avoid these activities.
- Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking cetirizine.
Please see the end of this document for relevant limitations, full details of our medication information supplier, and revision date or version number.