Brand Names: Allegra, Allegra ODT

Generic Name: fexofenadine (Pronunciation: FEX oh FEN a deen)

• What is fexofenadine (Allegra)?
• What are the possible side effects of fexofenadine (Allegra)?
• What is the most important information I should know about fexofenadine (Allegra)?
• What should I discuss with my healthcare provider before taking fexofenadine (Allegra)?
• How should I take fexofenadine (Allegra)?
• What happens if I miss a dose (Allegra)?
• What happens if I overdose (Allegra)?
• What should I avoid while taking fexofenadine (Allegra)?
• What other drugs will affect fexofenadine (Allegra)?
• Where can I get more information?

What is fexofenadine (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.

Fexofenadine is used to treat the symptoms of seasonal allergies (hay fever) in adults and children.

Fexofenadine is also used to treat skin itching and hives caused by a condition called chronic idiopathic urticaria in adults and children.

Fexofenadine may also be used for purposes not listed in this medication guide.

Allegra 180 mg

oblong, peach, imprinted with 0088, 018

Allegra 30 mg

round, peach, imprinted with scripted E, 03

Allegra 60 mg tab

oblong, peach, imprinted with E, 06

Allegra 60 mg

pink/white, imprinted with allegra, 60 mg

Fexofenadine 180 mg-MYL

oblong, blue, imprinted with M 755

Fexofenadine 180 mg-TEV

round, peach, imprinted with 7253, 9 3

Fexofenadine 30 mg-MYL

round, blue, imprinted with M, 752

Fexofenadine 30 mg-TEV

oblong, peach, imprinted with 7251, 9 3

Fexofenadine 60 mg-MYL

round, blue, imprinted with M 753

Fexofenadine 60 mg-TEV

round, peach, imprinted with 7252, 9 3

What are the possible side effects of fexofenadine (Allegra)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop taking fexofenadine and call your doctor if you have fever, chills, body aches, cough, or other flu symptoms.

Less serious side effects may include:

• nausea, diarrhea, upset stomach;
• menstrual cramps;
• drowsiness, tired feeling;
• headache; or
• muscle or back pain.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Allegra (fexofenadine hcl) Side Effects Center for a complete guide to possible side effects »

What is the most important information I should know about fexofenadine (Allegra)?

Ask a doctor or pharmacist before taking this medicine if you are allergic to any drugs, or if you have kidney disease.

Fruit juices and certain antacids can make it harder for your body to absorb fexofenadine.

Take the disintegrating tablet on an empty stomach, at least 1 hour before or 2 hours after a meal.

There may be other drugs that can affect fexofenadine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Stop using this medication and get emergency medical help if you think you have used too much medicine, or if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Tell your doctor if your symptoms do not improve, or if they get worse after you start taking fexofenadine. Never take more of the medication than your doctor has prescribed.