It is not uncommon for anyone to have allergies. Most if not all people have experienced this but with different severity. While others have manageable cases, others can also have life threatening ones and allergies should be taken seriously because of that. Antihistamine is the main drug for the treatment of allergies and questions such as why is loratadine an antihistamine has been coming up recently.
Histamine is the chemical which causes for anyone to show signs and symptoms of allergy. This chemical is released by cells called the mast cells which has the ability to attach to other cells that have receptors for such chemical. This chemical can stimulate other cells to release more chemicals that still produces an allergic reaction.
An allergy is an abnormal reaction of the body to certain chemicals. These chemicals are then called as allergens which can be gotten in the environment through inhalation, swallowing like in food allergies or direct contact to skin like house dusts. These allergens such as insect bites, latex, animal dander, medicines and so on, is what triggers the body to release histamine.
Signs and symptoms of allergy occurs after the immune system recognizes the allergen. Common signs include sneezing, coughing, itchiness, watery eyes, allergic shiners, postnasal drip. Life threatening allergic reaction is termed as anaphylactic shock. This is a systemic allergic reaction, thus this affects the whole body. Persons experiencing this would most probably be wheezing making it difficult to breath or worse loose consciousness. Thus, immediate medical intervention is needed.
There has been a lot of anti allergy drugs coming up in the market, but with financial crisis it is advisable to purchase the right quality of medicine with the most reasonable prices. This drug was approved by the Food and Drug Administration last 1993 and is currently used until today without any drug recall.
Loratadine is an antihistamine drug that does not need a doctor’s prescription. In other words, this can be purchased over the counter in any available pharmacies. This drug is known not to cross the blood brain barrier making it more safer and prevent drowsiness. This drug is taken in orally or by mouth usually once a day. Be sure to read directions before taking one.
Main drug mechanism of it is the ability to block histamine receptors thus preventing the activation of cells with such receptors in effect stopping the allergic reaction one is having. Most people who have used this drug has proven its effectiveness. Clearly the benefits of the drug outweighs its risk. One reason as to why this drug has been around for a long time.
This drug has some known drug interactions with erythromycin, cimetidine and ketoconazole. These drug may cause the increase of loratadine’s drug blood concentration making one at risk for adverse effects. Usual adverse effects of it includes dry mouth, headache and fatigue.
Is loratadine an antihistamine? Indeed it is, and still remains to be affordable and effective through out the years. It may have some side effects but the the relief one can get upon taking the drug is worth it.
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