Common use
Zyrtec is an antihistamine which used to treat different types of allergy symptoms, including itchy, runny nose; sneezing; and itchy, red, watery eyes or also it is used to treat itching and swelling caused by chronic urticaria. It blocks histamine's action and makes the symptoms of an allergic reaction reduced.

Dosage and direction
Take it orally once a day, with or without food. The recommended starting dose for children 12 years of age and older is 5 or 10 mg once a day, depending of your symptoms. In patients with a kidney or liver condition the recommended dose is 5 mg daily. The recommended starting dose for children 6 to 11 years is 5 or 10 mg. In children with kidney or liver condition dose may be lower. The recommended starting dose for children 2 to 5 years is 2.5 mg . Dosage may be increased to a maximum of 5 mg or 2.5 mg every 12 hours. Do not use Zyrtex in children with liver or kidney condition.
The recommended starting dose for children 6 to 23 months is 2.5 mg. In children 12 to 23 months old, the dose can be increased to a maximum of 5 mg a day, given as 2.5 mg every 12 hours. Do not use Zyrtex in children with liver or kidney condition.
Note: this instruction presented here just for review. It's very necessary to consult with your doctor before using. It help you to get best results.


Precautions
Use Zyrtec with cautions if your medical history include: severe High Blood Pressure, severe heart/blood vessel disease, glaucoma, problems urinating , any problems taking decongestants. Do not driving while you taking Zyrtec because it make you dizzy or drowsy. Do not drink alcohol. Zyrtec should not be used during pregnancy, becoming pregnancy or lactating without tell your doctor. Do not use this drug before breast-feeding without doctor's advice.

Contraindications
Zyrtec is contraindicated in those patients with a known hypersensitivity to it or any of its ingredients or hydroxyzine. Also Zyrtec is contraindicated in: lactation period; pregnancy woman; old age; child younger than 2 years; chronic renal impairment.

Possible side effect
They may include an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Also the most possible side effects include:
fast, pounding, or uneven heartbeat;
weakness, tremors (uncontrolled shaking), or sleep problems (insomnia);
severe restless feeling, hyperactivity;
confusion;
problems with vision; or
urinating less than usual or not at all.
Less serious include:
dizziness, drowsiness;
tired feeling;
dry mouth;
sore throat, cough;
nausea, constipation; or
headache.
If you experience one of them stop using Zyrtec and tell your doctor as soon as possible. Also consult with your doctor about any side effect that seems unusual.

Drug interaction
Zyrtec interect with such medication as:
Muscle relaxants such as Valium and Soma
Pain-relieving narcotics such as codeine, Demerol, and Percocet
Sedatives such as Nembutal, Seconal, and phenobarbital
Sleeping pills such as Halcion, Restoril, and Ambien
High doses of theophylline (Theo-Dur)
Antidepressants such as Tofranil, Elavil, Ludiomil, and Anafranil
Also note that interaction between two medications does not always mean that you
must stop taking one of them. As usual it affects the the effect of drugs, so consult with your doctor about how it interactions are being managed or should be managed.

Missed dose
If you forgot to take your dose in time, please do it as soon as you remember. But do not take if it is too late or almost time for your next dose. Do not take double or extra doses. Take your usually dose next day in the same regularly time.

Overdose
Symptoms of Zyrtec overdose may include: feeling restless or nervous, and then feeling drowsy. If you experience one of them call your doctor immediately.

Storage
Store at room temperature between 59-77 degrees F (15-25 degrees C) away from light and moisture, kids and pets. Do not use after expiration term.

Disclaimer
We provide only general information about medications which does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.