Zyrtec

Allergies have lately become known as the “disease of the century”. Indeed, it may occur unexpectedly to a completely healthy person, and the true cause of the hypersensitivity of the immune system to any allergen is not always possible to detect. The body begins to produce a biologically active substance called histamine in case of an inadequate immune response to irritating components of the environment,. It is the main culprit of allergic reactions.


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Description

Allergies have lately become known as the “disease of the century”. Indeed, it may occur unexpectedly to a completely healthy person, and the true cause of the hypersensitivity of the immune system to any allergen is not always possible to detect. The body begins to produce a biologically active substance called histamine in case of an inadequate immune response to irritating components of the environment,. It is the main culprit of allergic reactions. Histamine comes in contact with certain receptors (nerve endings), and “runs” the symptoms of allergies: sneezing, rhinitis, lacrimation, swelling, itching, respiratory spasm. Therefore, the most popular medication among people with allergies is antihistamines. It is no secret that the issue of treatment of allergic diseases today is very serious. Medical scientists are constantly developing new drugs for allergies, but do not forget about the old, time-tested medications, one of which is Zyrtec. The instructions for use includes this anti-allergic drug to a selective histamine H1-receptor of the second generation.

The spectrum of action

Zyrtec can be taken with any form of allergic manifestations: at early and late stages, year-round and seasonal nature. The active component of the medicine is cetirizine hydrochloride. Being the antagonist of histamine, the substance has diverse anti-allergic effect. First, it removes the sensitivity of H1-histamine receptors, reduces blood levels of granulocytic leukocytes (neutrophils, eosinophils, basophils) that are responsive to allergens, thereby eliminating itching and soreness. Secondly, cetirizine hydrochloride reduces the permeability of small blood vessels (capillaries), preventing the swelling and redness of the skin. Thirdly, the substance relieves muscle spasm of smooth muscles, preventing allergic reactions from respiratory (e.g., dyspnea in bronchial asthma).

After taking the drug, therapeutic effect starts after 20 minutes, reaches its maximum after one hour and lasts for the day. It is important that Zyrtec does not have sedative and hypnotic action when you prescribed the correct dosage.

Testimony

Antihistaminic drug is prescribed in case of the immune response of the organism to external stimuli of any origin. Zyrtec showed high efficiency in the treatment and prevention of allergic atopic dermatitis, dermatitis, urticaria, conjunctivitis, rhinitis, hay fever, atopic asthma. The drug prevents the development of angioneurotic angioedema and anaphylaxis.

The conditions of admission

This anti-allergic drug can be found in three dosage forms intended for oral administration. They are tablet, syrup and liquid solution. We should not the limitations for children. The drug in pill form is not recommended for children under 6 years of age, the syrup is not suitable for children under 2 years, and a ban on the use of the drops apply to babies under one year of age. You should take the medicine once a day day, preferably in the evening.

Dosage:

for tablets: adults 10 mg, children 5 mg;

for the syrup: adults 10ml, children 5ml;

for a liquid solution: adults: 20 drops, 5 drops.

Drug contraindications

You should be familiar with the contraindications of the drug before taking it. They are not a lot of them. It is forbidden to use this drug in case of impaired renal function, individual hypersensitivity to its active substance, women during pregnancy and breastfeeding. You should not take this medication together with alcoholic beverages and also drugs, providing a depressing effect on the central nervous system.

Side effects

Overdose is the main cause of negative reactions after taking the drug of Zyrtec. The instruction notes that in such cases it may cause nausea, vomiting, constipation, dizziness, irritability, difficulties with urination.

Compared to antihistamines, first-generation of Zyrtec have no inhibitory effects, it is easily tolerated by patients, therefore, remains popular among doctors-allergists.

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