How many types of “antihistamines” are there and how should I choose them?

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How many types of “antihistamines” are there and how should I choose them by UFABET?

Nowadays, Thai people have more allergies. Whether allergic to air Or allergic to various pollution such as dust, smoke, etc. Allergies are common diseases from childhood to the elderly. In young children, allergies found, such as cow’s milk allergy or skin disease.  In older children or adults. Allergies found. such as airborne allergies, conjunctivitis, asthma or seafood allergies, etc.

Increasing incidence of respiratory allergies due to lifestyle and the climate around us has changed Is a factor that causes the incidence of allergies at present to increase. When the body receives a foreign body, an allergic reaction occurs. Allergens stimulate cells to secrete histamines (histamines).

Which histamine is a substance that exists in cells throughout the body, including the nervous system, gastrointestinal tract and immune system. When histamine is releas. It causes itching and redness of the skin. There may bronchial stenosis, difficulty breathing in the airways. And if it acts on the gastrointestinal tract, there will be stomach pain, nausea, and vomiting.

Antihistamines or antihistamines (antihistamines)

Has properties to relieve symptoms of runny nose. sneezing due to cold Relieve itching from various causes, reduce secretions. and relieve itching The action of antihistamines inhibits the effect of histamine (histamine), which results in the reduction of mucus secretions and allergic reactions and itching.

Antihistamines are divide into 2 groups: the first group is the original antihistamine or the drowsy antihistamine.

It is the first generation of antihistamines. Examples of drugs in this group are chlorpheniramine, a small yellow pill, which is an antihistamine that works well to reduce runny nose. and inexpensive

dimenhydrinate (dimenhydrinate), hydroxyzine (hydroxyzine), triprolidine, brompheniramine (brompheniramine), ketotifen (ketotifen) and oxatomide (oxatomide) These drugs can used to treat allergic rhinitis. With itching, sneezing, runny nose, it can also relieve motion sickness, seasickness.

The second group of drugs are non-drowsy antihistamines. (non-sedating antihistamines)

This group of drugs works Like traditional antihistamines, however, they have very little penetration into the brain and therefore less drowsy. Examples  include loratadine, cetirizine, and feso. Fenadine (fexofenadine), levocetirizine (levocetirizine), desloratadine (desloratadine)

This group of antihistamines can be used to treat allergic rhinitis, conjunctivitis due to seasonal allergies, reduce sneezing, itchy nose, itchy eyes, waking up, swelling of the mucous membranes and skin, and hives.

Drowsiness, dry nose, dry mouth, dry throat, blurred vision are found less than the first group in the original group.

Antihistamines treat symptoms rather than treat the cause.  So if you know the cause of what you lose and avoid Treatment according to the symptoms can be reduced. By selecting antihistamines correctly because of the use of all kinds of drugs There will be side effects of the drug.

The side effect of antihistamines in the original group is the sedative effect causing drowsiness. It is therefore dangerous to take this drug. While driving or operating machinery. Because the accuracy of the nerves controlling body movements is reduced. causing drowsiness May cause sticky phlegm Therefore, it should not use in people with asthma or cough with phlegm. It should not use to treat cold symptoms in children under 2 weeks of age. Because it may make the phlegm sticky and difficult to expel.

Therefore, the best allergy relief is to avoid allergies. keep exercising Choose to eat nutritious food. get enough rest  and use the right amount of medication as needed by consulting a doctor or a pharmacist When needing medication In order to choose a drug with few side effects.