Oral antihistamines - the most common drugs for the treatment of allergic diseases. Antihistamines are used to relieve the symptoms of an allergic reaction and act by blocking the release of histamine, "culprit" of the main symptoms of allergy Allergy symptoms: Survival Guide Spring . Depending on the type of receptors which are antihistamines, all drugs can be subdivided into two main types - H1-blockers and H2-blockers. It must be remembered that even the modern antihistamines are not able to cure allergies - they only temporarily facilitate the most common symptoms of it, including runny nose, itching, sneezing, rashes.

Antihistamines are the third generation - a new drug from allergic diseases such as allergic rhinitis and chronic urticaria (hives). Although the first-generation antihistamines are considered the most common allergy medications, in these drugs have serious side effects - inhibiting histamine release, the first-generation antihistamines differ sedation.

Second Generation Antihistamines - such as terfenadine, astemizole, loratadine and cetirizine - appeared in 1981. Some of the drugs used today - because, unlike the first-generation antihistamines, second-generation drugs have no such express side effects. Nevertheless, the production of a number of second-generation antihistamines have been discontinued - terfenadine and astemizole can cause arrhythmia Arrhythmia - when we hear your heart   and other problems of the cardiovascular system, however, these drugs have disappeared from the market. The need to develop antihistamines without side effects, which action causes cardiovascular problems has led to the creation of a third-generation anti-histamines - the first of which, fexofenadine (the active metabolite of terfenadine) appeared in 1996.

To date, the group of the third generation of antihistamines include, but are fexofenadine, norastemizol, the active metabolite of astemizole disappeared from the market, and desloratadine, the active metabolite of loratadine Loratadine - a long-acting antihistamine . Antihistamines are the third generation of different similar or improved activity compared to the second-generation drugs.

The recommended dosage of antihistamines (for adults)

• Azelastine: oral - One-two milligrams every twelve hours as eyedrops - one drop twice a day, in the form of a nasal spray - two use twice a day.
• Brompheniramine four milligrams every four to six hours.
• Chlorpheniramine four milligrams every four to six hours.
• Clemastine one milligram every twelve hours.
• Cyproheptadine four milligrams every eight hours.
• Dexchlorpheniramine: two milligrams every four to six hours.
• Hydroxyzine: twenty-five - hundred milligrams every four to six hours.
• Promethazine twelve - twenty-five milligrams every six - twenty-four hours.
• Tripelennamine twenty-five - fifty milligrams every four to six hours.
• Tsetrizin five to ten milligrams per day.
• Desloratadine five milligrams per day.
• Fexofenadine sixty milligrams twice a day.
• Loratadine: Ten milligrams per day.

Selecting antihistamines for allergic rhinitis lcheniya Rhinitis: a runny nose - is quite serious   or urticaria depends on many factors: the price of the preparation, the recommended dosage, contraindications, side effects. Most first-generation antihistamines are available at pharmacies without a prescription at a low enough price, while the antihistamines second and third generation are more expensive and often require a doctor's prescription.

Antihistamines are second and third generation are as effective as they are the first generation antihistamines, but do not have the same pronounced sedative effect on the human body. However, the sedative effect of antihistamines is different: some people taking antihistamines second generation may not feel sleepy, but decreased concentration, confusion, impaired attention.

Allergy - a heightened sensitivity to any foreign substances. Substances that cause an allergy, called allergens. Allergens (or antigens) are essentially foreign proteins, but there are allergens and other non-protein nature.

Allergy treatment with antihistamines

Antihistamines also called the blocker of H1-histamine receptors. Histamine - a biologically active substance that causes allergic reactions and H1 receptors - are nerve endings that have affinity for histamine and transmitting nerve impulses caused by them. Lock H1-histamine receptors are located in the internal organs, leading to a decrease in tissue sensitivity to histamine and reducing the symptoms of allergic reactions such as nasal congestion, sneezing, itching, runny nose, a sharp drop in blood pressure Blood pressure - dangerous if his swing? Spasms of smooth muscle (mainly the bronchi, but also the intestine and the ureter) edema.

Antihistamines are used not only for the treatment of allergies, but also to eliminate the unwanted effects of histamine with extensive injuries of the skin and soft tissues, burns, frostbite, prior to surgery, and so on.

Today, there are three generations of antihistamines. The first generation of drugs in this group include diphenhydramine, promethazine, pipolfen, suprastin, tavegil, diazolin. All these preparations except antihistaminic effect and yet have significant side effects in the form of severe sleepiness. In addition, they act quickly and are more suited to the rapidly developing allergic reactions, long-term use reduces their effectiveness due to habituation.

By the second generation antihistamines are Claritin Claritin - histamine receptor blocker , Zyrtec, fenistil and others. Their action has been going on for about a day and they are much less cause drowsiness. In rapid allergic reactions Allergic reactions: how to understand why you tickle in the throat   they are not effective as a therapeutic effect is only two to four hours after administration.

Antihistamines are the third generation - is telfast, feksadin, erius, ksizal and others. These preparations without drawbacks first- and second-generation. Action to develop them within an hour, the maximum concentration in the blood is three to seven hours, and the duration is at least 24 hours. And yet, if you take these drugs for a long time (at least a month), then they develop addictive.

A side effect of all generations of antihistamines, but varying degrees of severity are drowsiness, impaired attention, coordination and efficiency. There may also blurred vision, dry mouth, palpitations, breathing problems, dizziness Dizziness - if the ground is slipping from under his feet , Convulsions, impaired appetite and other effects.

Allergy treatment with homeopathic remedies

Homeopathic medicines are considered to be an aid in the treatment of allergies. In the appointment of such funds with allergies should consider the fact that almost all of them are of vegetable or animal origin, that is, have increased allergenicity.

For homeopathic remedies to treat allergies are drugs available in tablets (lyuffel, Rhinital, Influcid, Cinnabsin and others), droplets (shvef Khel, allergopent-EDAS, renitol-EDAS, karsat-EDAS, and so on), in the form of ointments, creams (Iricar) nozalnyh sprays (lyuffel).

Homeopathy - a treatment similar similar, i.e. in pharmaceutical preparations containing substances in large doses, can cause disease, they are treated. Therefore, while taking homeopathic remedies may initially occur exacerbation of the disease - this is considered a positive response.

Homeopathic remedies usually have a narrow spectrum of activity than antihistamines. Thus lyuffel available in tablets and in the form of a nasal spray, it is intended for the treatment of allergic rhinitis and conjunctivitis. When allergic rhinitis and conjunctivitis caused by pollen (hay fever) the drug in tablets should be used to start a month before the appearance of pollen and pollen during an appearance in addition to the tablets used as a nasal spray.

Reduces inflammation and itching Iricar - it comes in the form of ointments and creams for external use and is indicated for allergic skin reactions, including allergies to insect stings.

There are many homeopathic remedies. Their main advantages are the lack of side effects and contraindications for the reception. But the best way to help tailor-homeopath means cooked in a homeopathic pharmacy.

Take antihistamines for allergies or homeopathic remedies should be decided by the doctor.

Galina Romanenko