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How Effective is Fexofenadine?
18th January 2021
What is Fexofenadine?
Fexofenadine, also known as Allegra, is an antihistamine drug which is used to reduce allergy symptoms. It is used by people who are experiencing Hay Fever symptoms. It can also be used by those who are experiencing hives and other allergic reactions.
What is Fexofenadine Used For?
Fexofenadine is an antihistamine. It is used to relieve allergy symptoms such as watery eyes, itching eyes and nose, runny nose, sneezing and hives. It works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction.
Is Fexofenadine Effective?
There are many studies which find Fexofenadine better or worse than alternatives for addressing certain allergic reactions. There are several reasons a doctor may prescribe Fexofenadine, some include allergic rhinitis, itchy eyes and skin reactions. Following are what some studies have concluded:
- Loratadine is more effective than Allegra for allergic rhinitis (faster onset of action, more symptom relief)
- Fexofenadine may provide more eye symptom relief.
- Fexofenadine may be more effective than Loratadine in the treatment of allergic skin reactions
- Fexofenadine should not be taken with grapefruit juice. Loratadine has no reported food reactions
How Good is Fexofenadine at Treating Allergic Rhinitis?
In a study found at PubMed, Fexofenadine is just as effective as Loratadine and Cetirizine in the treatment of allergic rhinitis.
Comparative data suggest that fexofenadine is as effective as loratadine or cetirizine in the treatment of seasonal allergic rhinitis.
Can You Take Both Fexofenadine and Cetirizine?
Yes, you can take both at the same time. There are no known interactions between fexofenadine and cetirizine. Make certain you only take both if prescribed by a doctor that knows you are taking both medications.
If your allergy is particularly bad then yes you can take them on the same day, as there are no known interactions. This is a therapeutic duplication and it is usually recommended to take only one antihistamine at any time, however if you have been prescribed to take both together then it is appropriate.
What are the best Hay Fever Tablets?
Your doctor will help you decide which allergy medicine is best for you after reviewing your symptoms. Following are many of the best hay fever tablets available in the UK.
How Long Does Fexofenatine Last?
One tablet of 120mg to 180mg should last you 24 hours. For children aged 6-12 years with seasonal allergic rhinitis (hay fever): 30 mg taken twice a day.
What Foods Should You Avoid When Taking Fexofenadine?
Avoid fruit juice when taking fexofenadine. This includes apple, orange and grapefruit juices. They make it hard for your body to absorb fexofenadine. You should also avoid taking an antacid within 2 hours of taking fexofenadine because it can also affect absorption.
How Long For Fexofenadine To Start Working?
This medicine will begin to relieve your symptoms within 1 hour and lasts for 24 hours. Do not take more than your doctor has prescribed. If you missed a dose, do not "double-up" by taking two tablets.
Can You Take Fexofenadine Long Term?
Two studies have found that Fexofenadine in doses of up to 240mg per day have been well-tolerated in daily doses for up to 12 months. Your doctor may consider it safe for long term use.