What is Allegra

Allegra (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. Allegra is used to treat the symptoms of seasonal allergies (hay fever) in adults and children. Allegra is also used to treat skin itching and hives caused by a condition called chronic idiopathic urticaria in adults and children.

Always read the patient information and instructions carefully before using this medication.

• Take the regular tablet with a full glass of water. . Do not take with fruit juices (such as apple, grapefruit, or orange) since they may decrease the absorption of this drug.
• Do not take antacids containing aluminum and magnesium within 2 hours of taking this medication. These antacids can decrease the absorption of fexofenadine.
• Take it as directed with or without food, usually once daily.
• Store Allegra at room temperature away from moisture and heat. Keep the medicine bottle tightly closed.

Make sure to tell your doctor and pharmacist:

• If you have any drug allergies.
• Which other prescription and non-prescription medications you currently take.
• Your medical history, especially of: kidney disease.

Also be aware that:

• During pregnancy, this medication should be used only when clearly needed. This medication passes into breast milk. Consult your doctor before breast-feeding.

Common side-effects may include but are not limited to: Cough, fever, or stomach upset. Contact your doctor if you experience any of the following side-effects: Any symptoms of an allergic reaction. These could include rashes or itching, swelling of the face, tongue or throat, severe dizziness or troubles with breathing.  

Q: What happens if I miss a dose?

A: Since cold or allergy medicine is taken as needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

 Q: What should I avoid?

A: Avoid using antacids within 15 minutes before or after taking a medication that contains Allegra. Antacids can make it harder for your body to absorb this medication. Fruit juices and certain antacids can make it harder for your body to absorb fexofenadine. Do not take Allegra with fruit juice (such as apple, orange, or grapefruit). Avoid taking any other cold or allergy medicines unless your doctor has told you to.