The reference site for Fexofenadine

Fexofenadine, sold under the trade name Allegra among others is an antihistamine pharmaceutical drug used in the treatment of allergy symptoms.

WHAT IS Fexofenadine?

Fexofenadine is used to relieve hay fever and allergy symptoms, including runny nose, sneezing, and red, itchy, tearing eyes. It is also used to treat symptoms of hives, including itching and rashes.

Fexofenadine is in a class of medications called antihistamines. It works by blocking histamine, a substance in the body that causes allergic symptoms.

It was developed as a successor of and alternative to terfenadine, an antihistamine with potentially fatal contraindications.

Fexofenadine brand names include Allegra® and Telfast®.

 

Brand Name(s): Allegra
CAS nº: 83799-24-0
(fex oh fen’ a deen)

Product Info

The sections below will provide you with more specific information and guidelines related to fexofenadine and its correct use. Please read them carefully.

FDA Information

Fexofenadine was first developed by Hoechst Marion Roussel (now part of Aventis) and approved by the FDA in 1996.

Since that time, it has achieved blockbuster drug status with global sales of $1.87B USD in 2004 (with $1.49B USD coming from the United States).

Please visit the official site of the FDA for further information.

Why is this medication prescribed?

Fexofenadine is used to relieve hay fever and allergy symptoms, including runny nose, sneezing, and red, itchy, tearing eyes. It is also used to treat symptoms of hives, including itching and rashes.

Fexofenadine is in a class of medications called antihistamines. It works by blocking histamine, a substance in the body that causes allergic symptoms. Fexofenadine and other second-generation antihistamines do not readily enter the brain from the blood, and, therefore, they cause less drowsiness.

It was developed as a successor of and alternative to terfenadine, an antihistamine with potentially fatal contraindications.

Other uses for this medicine

This medication may be prescribed for other uses. Please consult your doctor or pharmacist for more information.

Dosage and using this medicine

Fexofenadine comes as a tablet to be taken orally. It is usually taken twice a day, in the morning and the evening.

Take each dose with a full glass of water.

Do not take fexofenadine close to a dose of an antiacid that contains aluminum or magnesium such as Rolaids®, Maalox®, Mylanta®, Milk of Magnesia®, Pepcid Complete®, and others. These antiacids may decrease the effects of fexofenadine.

Always follow your doctor’s instructions. Never take more of this medication than what prescribed. If you think your symptoms are not being adequately treated, talk to your doctor immediately.

What special precautions should I follow?

Before taking fexofenadine:

Tell your doctor and pharmacist if you are allergic to fexofenadine or any other medications.

Also, inform your doctor and pharmacist what prescription and non-prescription medications, vitamins, nutritional supplements, and herbal products you are taking. Be sure to mention either of the following: erythromycin (E.E.S.®, E-Mycin®, Erythrocin®) and ketoconazole (Nizoral®). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.

If you are taking antiacids (Maalox®, Mylanta®), take them a few hours before or after taking fexofenadine.

Yell your doctor if you have or have ever had kidney disease.

Moreover, let your doctor know if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking fexofenadine, call your doctor.

It is important to know that fexofenadine may make you drowsy. Do not drive a car or operate machinery until you know how this medication affects you.

Note: Remember that alcohol can add to the drowsiness caused by this medication.

What should I do if I forget a dose?

Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule.

Do not take a double dose to make up for a missed one.

What side effects can this medication cause?

Possible side effects from fexofenadine may include:

nausea
vomiting
weakness
drowsiness
sleepiness
depression

Tell your doctor if any of these symptoms are severe or do not go away:

headache
drowsiness
back pain
cough

If you experience any of the following symptoms, call your doctor immediately:

allergic reaction (difficulty breathing, closing of the throat, swelling of the lips, tongue, or face, or hives)

Fexofenadine may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.

What storage conditions are needed for this medicine?

Always keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).

Additionally, please remember to throw away any medication that is outdated or no longer needed. Should you have any questions, talk to your pharmacist about the proper disposal of your medication

In case of an emergency/overdose

In the case of an overdose, call your local poison control center on 1-800-222-1222. However, if the victim has collapsed or is not breathing, call the local emergency services immediately on 911.

Symptoms of overdose may include:

dizziness
drowsiness
dry mouth

Product Images

PICTURES OF FEXOFENADINE PILLS

Below you will find images and specific information on the principal types of fexofenadine that exist, including their respective brand name(s), strength, inscription codes and manufacturers.

The information below includes general information and guidelines for patients taking this medication and should never be used to substitute professional medical advice that can be provided by a qualified physician or family doctor.

Name: FEXOFENADINE HCL
Strength(s): 30 MG
Imprint: 03
Manufacturer: PRASCO LABS.

Name: ALLEGRA®
Strength(s): 60 MG
Imprint: 06
Manufacturer: AVENTIS PHARM.

Name: FEXOFENADINE HCL
Strength(s): 60 MG
Imprint: 06
Manufacturer: PRASCO LABS.

Name: FEXOFENADINE HCL
Strength(s): 60 MG
Imprint: 93 7252
Manufacturer: TEVA USA

Name: ALLEGRA®
Strength(s): 180 MG
Imprint: 018
Manufacturer: AVENTIS PHARM.

Name: FEXOFENADINE HCL
Strength(s): 180 MG
Imprint: 018
Manufacturer: PRASCO LABS.

Name: FEXOFENADINE HCL
Strength(s): 180 MG
Imprint: 93 7253
Manufacturer: TEVA USA

 

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