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Antihistamines are a group of pharmaceuticals that have the ability to control the symptoms associated with excessive secretion of histamine in the body.
Histamine is a natural chemical compound that plays an important role in allergic reactions and regulation of the functions of various organs. In this article, we will take a closer look at what histamine is, how antihistamines work, their indications, classification, contraindications, side effects, and also provide some suggestions and recommended articles related to the topic.
What is histamine?
Histamine is a natural chemical produced by mast cells and basophils in the body. It is a substance that plays a key role in allergic processes and inflammatory reactions. Histamine is responsible for causing symptoms such as itching, redness, swelling and sneezing that are characteristic of allergies. In addition, histamine affects the regulation of processes such as sleep, appetite, blood pressure and gastric acid secretion.
How do antihistamines work?
Antihistamines, also called antihistamines, work by blocking histamine receptors in the body. There are three main types of histamine receptors: H1, H2 and H3. The most commonly used antihistamines are primarily H1 receptor antagonists. They work by blocking H1 receptors, which inhibits the action of histamine and reduces its effect on the body.
Antihistamines – indications
Antihistamines are used in various clinical situations, mainly to relieve allergy symptoms. Their indications include the treatment of allergic symptoms such as hay fever, watery eyes, itchy skin, hives, as well as allergic reactions to insect bites and other allergenic substances. In addition, antihistamines can be used to treat mild insomnia and dermatological conditions associated with itching.
Antihistamines – classification
Antihistamines can be divided into several categories, depending on their effects and side effects. There are first-generation drugs that often cause drowsiness and have a shorter duration of action, and second-generation drugs that are less drowsy and last longer. Examples of first-generation drugs include diphenhydramine and hydroxyzine, while second-generation drugs include loratadine, cetirizine, and fexofenadine.
Antihistamines – contraindications and side effects
Although antihistamines are relatively safe, there are some contraindications and possible side effects. People who are hypersensitive to the ingredients of antihistamines should avoid their use. Side effects include drowsiness, dry mouth, dizziness, impaired concentration and memory problems. If serious side effects occur, consult your doctor immediately.
Your suggestions
If you have allergies or problems related to excessive histamine secretion, it is worth consulting a doctor to determine appropriate treatment. It is also worth paying attention to which antihistamines are best for you, taking into account your individual needs and possible side effects.
Recommended articles
If you want to learn more about antihistamines and managing allergy symptoms, we recommend reading the following articles:
– “Effective antihistamines for allergies – comparison” – an article that will help you choose the right antihistamine for yourself.
– “How to avoid allergens and reduce the risk of allergic reactions” – information on how to minimize contact with allergens.
– “Treatment of allergies in children – what is worth knowing” – an article devoted to the treatment of allergies in the youngest patients.
It is worth being well informed about antihistamines and their effects on the body in order to effectively control allergy symptoms and other diseases related to excessive histamine secretion.