Allergic reactions
There are huge amount of various seasonal allergies. People could be allergic to dust, pets, dander and pollen of the flowers and trees during the spring. Another type of allergy is hay fever, caused by a vast of allergen particles. So many allergens recognized as the foreign objects cause the human body to discharge histamine, and that’s why antihistamines come in handy in this situation. They fight the body’s histamine and relieve the allergy symptoms. Allergic rhinitis is caused by the inhalation of the allergens. People might get rhinitis from the allergy to: pollen, dust, mites, pet dander, etc.
Allegra
Allegra or fexofenadine is also known as, Allerfexo, Fastofen, Telfast, Telfexo, Tilfur, and Vifas. This is an antihistamine drug used to treat and relieve symptoms of allergic reactions. Earlier medications, like terfenadine, have been successful in treating allergies, but had some severe side effects. Because of that, scientists developed new antihistamine drugs, including Allegra, which cause less adverse effects.
Allegra is antagonist to the H1 histamine receptors, thus countering the reactions of the body to certain allergens. When experiencing the allergic reaction, our body produces histamine and these medications stop that reaction and the effects of histamine to the body, including the sneezing, tiredness, insomnia, watery and itchy eyes and runny nose. Old drugs use to cause severe side effects, especially drowsiness, which prevented people using these medications to function normally. Allegra is said not to cross blood-brain barrier and therefore causes less sleepiness.
This medication is used to treat seasonal allergies, to ease the symptoms of rhinitis and idiopathic urticaria.
Allegra Adverse Effects
Allegra is relatively safe to be used and definitely cause less side effects then the allergy medication used before, but still it has some unwanted effects for the patients.
People using Allegra have reported nauseous feeling, cold, coughing and flu-like symptoms. There were also patients who experienced: the cold, headaches and backaches. Some patients have complained about the dizziness and a certain number had problems with the diarrhea. Female patients experienced menstrual pain when using Allegra to treat seasonal allergies.
Although this medication shouldn’t pass the blood-brain barrier there were patients experiencing drowsiness after the use of Allegra.
To avoid adverse effects of this drug it is advisable to follow the usage directions given from your doctor to the letter. The missed dose should be taken as soon as you remember.
Do not use Allegra with the antacid medications (such as Maalox, Milk of Magnesia, Mylanta, Pepcid, Rolaid) since they will decrease the effects of antihistamine drug.
Consult your doctor if you are pregnant or plan to become pregnant and want to use this medication.
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