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Fexofenadine, brand name Allegra, is used to relieve allergy symptoms such as watery eyes, runny nose, itchy eyes, itchy nose, sneezing, hives, and itching. Fexofenadine belongs to the class of antihistamines. Before using the drug, carefully read the instructions for use and consult your doctor.1. Fexofenadine
Fexofenadine works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction. Fexofenadine is an antiallergic and is used in cases of hypersensitivity.Fexofenadine is available in syrup, lozenges, softgels and tablets.
2. How to use Fexofenadine
For liquid form (syrup), shake the bottle well before each dose. Note that the volume in each drink should be carefully measured. Use a small graduated cup, not a spoon. Softgels or tablets can be taken with or without food. In the form of lozenges, suck on an empty stomach. Suck on the medicine so that it dissolves quickly on the tip of the tongue, and swallowing may not require water. Pay attention not to take the pill out before using it for a long time so that the pill will get wet and lose its effectiveness. Do not take the drug with fruits such as apples, grapefruits, oranges... because they can reduce the ability to absorb the drug. Use 2 hours apart for antacids containing aluminum or magnesium gels. Dosage depends on the condition and age of the patient.
Adults and children over 12 years of age Take Fexofenadine 60mg orally 2 tablets per day or Fexofenadine 180mg orally 1 tablet per day in patients with allergic rhinitis. In case of urticaria, you can use Fexofenadine 60mg orally 2 tablets / day or Fexofenadine 180mg 1 tablet / day. Children Should use lozenges or syrup form to make it easier for children to take to treat cases of allergic rhinitis, urticaria. The specific dose is as follows:
Tablet form:
Children from 6 to 11 years old: use Fexofenadine 30mg twice a day. Children older than 12 years: Fexofenadine 60mg twice a day or Fexofenadine 180mg once a day.
Người bệnh nên dùng thuốc Fexofenadine theo đúng chỉ định
Lozenges: Children from 6 to 11 years old: use Fexofenadine 30mg orally 2 tablets / day.
Syrup form: Children from 2 to 11 years old: use Fexofenadine 30mg orally 2 tablets/day.
Children with chronic idiopathic urticaria:
Children from 6 months to 1 year old: Fexofenadine 15mg orally 2 tablets/day. Children from 2 to 11 years old: Fexofenadine 30mg orally 2 tablets / day. Use with caution in people with kidney disease:
Adults with a creatinine clearance of 90 ml/min or Fexofenadine 60 mg/time/day. Children 6 months to 2 years of age with a creatinine clearance of 90 ml/min or 15 mg/time/day. Children from 2 years to 11 years old: with a creatinine clearance of 90ml/min or fexofenadine 30mg/time/day.
3. Indications, contraindications
Indications
Treatment of symptoms of seasonal allergic rhinitis in adults and children ≥ 12 years old. People with symptoms such as sneezing, runny nose, itchy palate and throat, red itchy eyes and watery eyes are treated effectively. Contraindications
Hypersensitivity to Fexofenadine hydrochloride contained in the drug.
4. Some side effects of drugs
As an antihistamine, Fexofenadine may cause some unwanted effects such as: Cough, fever, abdominal pain, nausea, vomiting or may appear red dots. These unwanted side effects appear early and disappear quickly. However, if the symptoms persist and symptoms of sneezing, runny nose, secretions, tears, and nose are not controlled, you should stop using the medicine and contact your doctor for better treatment.
Thuốc Fexofenadine có thể gây tình trạng đau bụng khi dùng thuốc
5. Precautions
The unwanted effects are not too dangerous, but people should still note before taking the drug:
Before taking Fexofenadine, check first if you are allergic to Fexofenadine hydrochloride and need to tell your doctor. Know if you are allergic to any other products. Note if you have kidney disease: Liquid products may contain sugar. The quick release tablets may contain aspartame. Caution should be exercised if you have diabetes, phenylketonuria (PKU), or any other condition that requires you to limit the avoidance of these substances in your diet.
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Reference source: webmd.com
