Allegra Side Effects
Serious Adverse Side Effects
Some side effects of Allegra | Fexofenadine can be quite serious, including:
- hives
- rash
- itching
- difficulty breathing or swallowing
- swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs
- hoarseness
- difficulty swallowing or breathing
More Common Side Effects
More common and less severe side effects of this drug are:
- headache
- dizziness
- diarrhea
- vomiting
- pain in the arms, legs, or back
- pain
- pain during menstrual period
- cough
If you or a loved one has experienced severe and serious adverse side effects as a result of taking this drug, please do not hesitate to
contact someone who can help you.
Warnings & Recalls for Allegra
A contraindication of
Allegra | Fexofenadine is hypersensitivity to its active component “fexofenadine”.Some warnings and precautions before taking
Allegra | Fexofenadine are:
- concurrent administration of aluminum or magnesium containing antacid within 15 minutes of taking this drug
- do not take this drug with fruit juices such as grapefruit, orange or apple because it decreases fexofenadine bioavailability and exposure
It is worth noting that
Allegra | Fexofenadine’s pregnancy category classification is a rating of C by the FDA. If you or a loved one has experienced severe and serious adverse side effects as a result of taking this drug, please do not hesitate to
contact someone who can help you.
Allegra Treatment and Use
Allegra | Fexofenadine is an antihistamine pharmaceutical drug that’s used for the treatment of hay fever, hives and allergy symptoms. The non-FDA indications for this drug are for pretreatment of hymenoptera immunotherapy and perennial allergic rhinitis. It had been originally developed as a successor drug to terfenadine, which is an antihistamine drug that had serious adverse side effects such as QT-interval prolongation, which can cause potentially lethal cardiac arrhythmia.
Allegra | Fexofenadine, like other 2nd and 3rd generation antihistamines, doesn’t cross the blood-brain barrier, thus it doesn’t lead to adverse side effects such as drowsiness. Allegra | Fexofenadine works by being an antagonist to the H1receptor.
Allegra | Fexofenadine comes either as a tablet or a suspension liquid to take orally. This drug is meant to be taken with water at least once or twice a day.
Since its introduction into the market and approval by the FDA in 1996, Allegra | Fexofenadine has garnered about $688 million in sales for the drug company Sanofi-Aventis in the year 2008.
Mechanism of Action
Allegra | Fexofenadine inhibits the release of histamine from mast cells and selectively antagonizes peripheral H1receptor activity.
Contact Us
If you or a loved one has experienced severe and serious adverse side effects as a result of taking this drug, please do not hesitate to contact someone who can help you.
Other Names for Allegra
Generic Name
Fexofenadine
Brand Names
• Allegra
• Telfast
• Fastofen
• Tilfur
• Vifas
• Telfexo
• Allerfexo
Lawsuits & Legal Information for Allegra