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Usage: Zyrtec is an antihistamine. Antihistamines prevent sneezing, runny nose, itching and watering of the eyes, and other allergic symptoms. Zyrtec is used to treat allergies, hives (urticaria), and other allergic inflammatory conditions.
Directions: Take Zyrtec 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. Zyrtec can be taken with or without food. Zyrtec is usually taken once daily. Follow your doctor's instructions.
Side Effects: Stop taking Zyrtec and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives). Other, less serious side effects may be more likely to occur. Continue to take Zyrtec and talk to your doctor if you experience: sleepiness, fatigue, or dizziness; headache; or dry mouth. Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Precautions: Use caution when driving, operating machinery, or performing other hazardous activities. Zyrtec 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 Zyrtec .
Drug Interactions: Before taking this medication, tell your doctor if you are taking any of the following medicines: medications for anxiety or sleep such as alprazolam (Xanax), diazepam (Valium), chlordiazepoxide (Librium), temazepam (Restoril), or triazolam (Halcion); medications for depression such as amitriptyline (Elavil), doxepin (Sinequan), nortriptyline (Pamelor), fluoxetine (Prozac), sertraline (Zoloft), or paroxetine (Paxil); other cough, cold, or allergy medicines; or any other medications that cause drowsiness, sleepiness, or relaxation.
Heavy sedation may occur if Zyrtec is taken with any of the medicines listed above. Drugs other than those listed here may also interact with Zyrtec . Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines.
If You Take Too Much: Seek emergency medical attention. Symptoms of a Zyrtec overdose are not well known, but extreme sleepiness, confusion, and weakness may be expected.
Missed 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.
Storage: Store Zyrtec at room temperature away from moisture and heat.
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