Drug "Telfast": instructions for use
Telfast is an effective treatment for allergic diseases.
Pharmacological properties of the drug "Telfast"
Instructions for use explains that this drug is a leading third-generation antihistamine medication. Compared with previous releases of anti-allergens, it has greater safety. The main active ingredient is fexofenadine, which is a metabolite of the substance terfenadine, due to which it is as close as possible to histamine receptors. The drug selectively binds to receptors, blocks them, not allowing negative effects to appear in the form of signs of allergy (itchy skin, tearing, sneezing, runny nose, dermatitis). The tool is able to stabilize the membrane in mast cells, reducing and preventing the release of harmful substances, including histamine. The drug does not have a sedative effect, because, unlike its predecessors, it does not penetrate into the brain through the blood-brain barrier.Thus, the drug does not affect the ability to concentrate and the speed of mental reactions. Even with prolonged use of the drug "Telfast 120" and its other forms are not addictive. The tool does not cause changes in slow potassium currents, does not affect the cardiac electrophysiology. The lack of cardiotoxicity makes the drug an effective alternative to terfenadine.
Pharmacokinetics and dynamics means "Telfast"
Instructions for use explains that the drug is rapidly absorbed, and its effect gives results only an hour after use, reaching maximum efficiency after six hours. The total duration of exposure is more than a day, so that it is enough to use the medicine once a day. The tool is not subject to metabolism and is excreted unchanged from the body. The medication is in the form of tablets. There are dosages of the drug "Telfast" - 180, 120 mg, as well as the children's form - 30 mg. Studies have shown that in clinical conditions the drug has proven its effectiveness. Compared with analogues, the drug has no effect on other receptors, does not possess antiadrenergic and anticholinergic activity,which causes no side effects.
Indications for taking the drug "Telfast"
Instructions for use advises to use the drug for various types of allergies. The drug is prescribed for the treatment of allergic, idiopathic chronic urticaria, hay fever, angioedema and allergic seasonal rhinitis.
Contraindications to the use of means "Telfast"
Instructions for use prohibits taking pills for hypersensitivity during pregnancy and lactation. The use of the drug is not recommended for children under six years. With caution produce treatment for pathologies of the liver and kidneys. The drug is well tolerated, in rare cases, nausea, headache, shortness of breath may occur. Take the pill once a day, the treatment time up to 6 weeks, the dosage is determined by the doctor.