Allegra, Fexofenadine

Allegra (Fexofenadine) is an antihistamine prescribed to alleviate the symptoms of seasonal allergic rhinitis or chronic idiopathic urticaria.



ALLEGRA, Fexigra


AVENTIS, Sanofi India


30 mg, 120 mg, 180 mg

India, Turkey



Allegra is used in the treatment of allergic disorders such as a runny nose, watery eyes, sneezing, hives, itching eyes/nose and itching

How it Works

Allegra is an antihistamine, it stops the effects of histamine in the body which causes inflammation leading to sneezing, runny and blocked nose. Cells in the body release this chemical called histamine when they come into contact with pollen which causes allergic symptoms called hay fever. Allegra as an antihistamine stops these effects and relieve these symptoms.

Common Side effects

Some of the potential side effects of Allegra can include the symptoms below nausea, diarrhea, upset stomach; menstrual cramps; drowsiness, tired feeling; headache; or. muscle or back pain.

Expert advice

Before using Allegra, inform your doctor about your current list of medications that you are taking, any allergies you may have, pre-existing diseases, and current health conditions such as if you are pregnant. Take this product as directed by your doctor, which will be advice based on the evaluation of your current health conditions. You must avoid using antacids within 15 minutes before or after taking this medication to allow maximum absorption potential to be achieved. Caution is needed in elderly patients and children below six years old who take this product.


Should I consume Allegra on an empty stomach, before food or after food?
-Allegra is normally consumed after food. However, we would advise you to follow your doctor's advice on how you should use this medicine. Is Allegra safe to consume or apply when pregnant or breastfeeding?
-No Can Allegra be used for allergic skin conditions?
-Allegra is an antihistaminic drug, therefore Yes, Allegra can be used for allergic skin conditions. Please do not use Allegra without consulting with your doctor first.


The US brand name of this drug is Allegra, and it is also known as Fexigra. AVENTIS manufactures this drug. Fexofenadine is usually made in the form of pills. Each pill has the varying strength of 30mg, 180 mg, and 120 mg. It acts as an antibiotic-agent in the human body that prevents seasonal infections and diseases. It is also used to prevent infections like itching and swelling of the hands and legs.


Fexofenadine active ingredient is FEXOFENADINE HYDROCHLORIDE. It has a molecular weight of 538.13. It is usually a powder form that is off-white to white in colour. Fexofenadine is ethanol and methanol soluble drug. Inactive ingredients in Fexofenadine are starch, magnesium stearate, croscarmellose sodium, and microcrystalline cellulose. The inactive contents of the drug are there to help to prevent the side effects.


Fexofenadine is used in the prevention and treatment of seasonal allergies like runny nose and eye-related problems. Fexofenadine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Thus Fexofenadine helps to treat these symptoms.

Dosage and administration

Fexofenadine should be taken with a glass of water after food. The dosage varies from 30 mg to 180 mg depending upon the doctors prescription. Fexofenadine should be taken as per the schedule given by the doctors and also according to the manual.


Fexofenadine should not be consumed by patients below the age of 12. It is necessary that you should inform your doctor regarding any allergies and other medical conditions that you have before you begin treatment with this drug. You should not use this medicine if you are pregnant or breastfeeding.

Important Precautions

If you have any kidney or liver problems, you should not take Fexofenadine before consulting with your doctor. Immediately seek medical attention if you experience any side effects.

Side effects

Some of the side effects experienced with taking Fexofenadine are fever, headache and stomach pain. It may cause throat, face and mouth infections. Fexofenadine can also cause motion sickness and diarrhea.


Fexofenadine should be stored at room temperature of 23-25 degrees. Fexofenadine should be kept away from extreme heat, cold and moisture. Fexofenadine should be kept away from children and pets. It should not be used after the expiry date.

Rated: 4.7 / 5 based on 4.7 customer reviews.

Posted by Jamison on Jan 4, 2019 Verified Purchase


Product works good to hinder allergies I do reccomend

Note: does not imply any medical claims from this review.
Posted by Dork_001 on Oct 19, 2018 Verified Purchase


Works like it should

Note: does not imply any medical claims from this review.
Posted by Telsa on Jan 2, 2015 Verified Purchase


This helps me stay hives free! Highly recommended!

Note: does not imply any medical claims from this review.

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