Zyrtec Generic

Generic Names: Cetirizine

Brand Names: All Day Allergy, Indoor/Outdoor Allergy Relief, Zyrtec

Strengths: Zyrtec 10mg, 5mg

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ZYRTEC is a brand name for Cetirizine (Cetirizine hydrochloride) which is an antihistamine that reduces the effect of histamine in the body. Histamines produce symptoms like sneezing, itching, watery eyes and runny nose. Patients buy ZYRTEC online which is used to treat cold and allergic symptoms like sneezing, itching, watery eyes and runny nose as well as itching and swelling due to chronic urticaria (hives)

ZYRTEC is available as a paediatric and adult drug. The paediatric drug is available as ‘dissolve tablets’ with 10 mg Cetirizine HCl equivalent in each tablet. The adult drug is also available in dissolve tablets, tablets and liquid gel with same strengths in each tablet.

Administration of ZYRTEC:

Patients can Buy ZYRTEC Online. It is administered orally. The chewable tablets must be chewed before one swallows them. One should not swallow the dissolving tablet whole. It should be dissolved in the mouth, without chewing. One may drink liquid or water to help swallow the dissolved tablet. Liquid ZYRTEC should be administered after measuring the amount of drug with the help of a measuring cup or spoon only.

Mechanism of action:

Cetirizine is a human metabolite of hydroxyzine which is an antihistamine. The principal effects of Cetirizine are mediated via selection inhibition of peripheral H1 receptors. Thus, it reduces the allergic symptoms in less time.

Side effects of ZYRTEC:

Patients before placing an order for ZYRTEC online must know the possible side effects of it. ZYRTEC may cause following side effects:

Pounding and uneven heart beating, tremors and insomnia (sleeplessness), weakness or hyperactivity, problems with vision, urination less than normal or no urination may be seen in the sensitive population.

Some less adverse symptoms could be found in some patients with dry mouth, sore throat, nausea, constipation, dizziness and drowsiness.

Whatever symptoms are observed after the administration of ZYRTEC, the patient must see his doctor immediately.

Drug interactions:

After the patients buy ZYRTEC online, they must know the food and other drug interactions with it. They must disclose other medications they are taking, to their physician like herbal products, sleeping pills etc. Thus the physician shall give them the detailed information about the possible interactions with ZYRTEC.

Other products which cause drowsiness like alcohol, other histamines like diphenhydramine, drugs on sleep and anxiety like alprazolam, diazepam or zolpidem, muscle relaxants and narcotic pain-killers may alter the effect of ZYRTEC or increase in the symptom of drowsiness. Thus, patients must discuss the risks and benefits of the drug, before they buy ZYRTEC online.


Patients can buy ZYRTEC online but before administering the drug one should learn the precautions to be followed. Before taking Cetirizine, one must ensure that he or she is not allergic to it or to hydroxyzine or to levocetirizine or to any other product.

ZYRTEC is not recommended for women, who are actively breastfeeding their babies. However, if a woman is pregnant or planning to be one, then she must consult her physician before taking the drug.

ZYRTEC should be administered with caution in patients who have a history of impaired renal function. ZYRTEC is substantially excreted by kidneys. It is also advisable to disclose other conditions to the physician like enlarged prostate, which causes difficulty in urinating or liver dysfunction.

For children, a paediatric version of ZYRTEC is available. It is safe for children.

If a person is prescribed ZYRTEC on his allergy symptoms, he is advised not to drive or use machinery or do any work which needs promptness and alertness.

Patients may buy ZYRTEC online but since the liquid form contains sugar, they must take care in diabetic condition.

ZYRTEC must not be frozen. It should be stored in a clean place at room temperature and away from moisture and heat.


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