What is required for such a tool asTerfenadin? Instructions for use, price, reviews, as well as the therapeutic purpose of this medication are indicated below. In addition, this article provides information on the characteristics of the drug, its analogs and contraindications.
What is the form of the medication?"Terfenadine"? Instructions for use states that this medicine can be purchased in the form of tablets that contain such an active ingredient as terfenadine. In addition, the medium in question is available in the form of a suspension for oral administration, syrup and crystalline powder, intended for the preparation of a solution.
What is the medicine "Terfenadine"?Instructions for use claims that it is an antihistamine. It is able to selectively block peripheral H1-histamine receptors, as well as prevent the expansion of capillaries and increase their permeability, smooth muscle spasms, including bronchoconstriction in people with asthma, the development of erythema, angioedema, and itching.
The effect after applying this medication appears after two hours and reaches its maximum after four. At the same time it lasts more than half a day.
In allergic rhinitis, this drug eases and reduces the frequency of sneezing, as well as reduces itching, rhinorrhea, and watery eyes.
What is remarkable means such as"Terfenadine"? Instructions for use (the price of the drug is indicated below) states that this drug has a moderate anticholinergic effect, and also blocks the channels (potassium) of cardiomyocytes and weakens the severity of bronchospasm.
A significant increase in terfenadine in the blood can be accompanied by a prolongation of the QT time and the development of serious complications of the heart.
How quickly absorbed medicine "Terfenadine"? Instructions for use states that this tool is absorbed from the gastrointestinal tract very quickly. It is determined in the blood plasma after 30 minutes.
This drug is 97% bound to plasma proteins. It is actively metabolized in the liver to form two metabolites.
The drug "Terfenadin" is equally effective for all groups of patients, regardless of their age.
In what cases prescribe medication "Terfenadine"?Instructions for use reports that this remedy is highly effective in seasonal allergic rhinitis, allergic conjunctivitis, chronic idiopathic urticaria, atopic eczema, contact dermatitis, rashes and itching caused by liver damage. Also, this medication is prescribed for angioedema, allergic reactions caused by drugs, insect bites and food, bronchial asthma and colds (only as part of combination therapy).
In addition, this drug is often used for the prevention of allergies, which manifests itself with the introduction of radiopaque agents.
The drug "Terfenadin" is contraindicated to receivewith hypersensitivity, hypokalemia, hypomagnesaemia, prolongation of the QT interval on the ECG, marked disorders in the liver and in childhood (up to six years for tablet form, and up to three years for suspension).
Analogs of this medication are listed below.
The mentioned remedy is prescribed for adults and children from twelve years old on 60 mg twice a day or 120 mg once a day. The largest amount of the drug taken in 24 hours is 480 mg.
For children 6-12 years old, this medicine is prescribed at 30 mg twice a day, and babies of 3-5 years old are given a suspension in a dosage of 15 mg twice a day.
In the process of treatment with the drug "Terfenadine" patients may experience such adverse reactions as:
Analogues of the medication under consideration are Trexil and Bronal. The price of this medicine is about 190-215 rubles for 10 tablets.
Reviews of the drug "Terfenadine" basicallypositive. Patients claim that this tool copes well with various allergic reactions. The disadvantages of this drug include the presence of side effects.
