Prescription Drugs
 contains or is another name for this drug.
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Fexofenadine and Pseudoephedrine (fex oh fen' a deen) (soo doe e fed' rin)
Other names: Allegra-D 12 Hour, Allegra-D 24 Hour
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Why is this medication prescribed?

The combination of fexofenadine and pseudoephedrine is used in adults and children 12 years of age and older to relieve the allergy symptoms of seasonal allergic rhinitis ('hay fever'), including runny nose; sneezing; congestion (stuffy nose); red, itchy, or watery eyes; or itching of the nose, throat, or roof of the mouth. Fexofenadine is in a class of medications called antihistamines. It works by blocking the effects of histamine, a substance in the body that causes allergy symptoms. Pseudoephedrine is in a class of medications called decongestants. It works by drying up the nasal passages.

How should this medication be used?

The combination of fexofenadine and pseudoephedrine comes as an extended-release (long-acting) tablet to take by mouth. The fexofenadine and pseudoephedrine 12-hour tablet is usually taken once or twice a day on an empty stomach with water. The fexofenadine and pseudoephedrine 24-hour tablet is usually taken once a day on an empty stomach with water. Fexofenadine and pseudoephedrine will work better if it is not taken with fruit juices such as orange, grapefruit, or apple juice. Take fexofenadine and pseudoephedrine at around the same time(s) every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take fexofenadine and pseudoephedrine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

Fexofenadine and pseudoephedrine controls the symptoms of seasonal allergic rhinitis but does not cure this condition. Continue to take fexofenadine and pseudoephedrine even if you feel well and are not experiencing these symptoms. If you wait too long between doses, your symptoms may become worse.

Swallow the tablets whole; do not split, chew, or crush them.

Are there other uses for this medicine?

This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.

  • Allegra-D® 12 Hour
  • Allegra-D® 24 Hour
Last Revised January 04, 2007
American Society of Health-System Pharmacists
This information being provided is copyrighted by the American Society of Health-System Pharmacists, Inc., ASHP, Bethesda, Maryland.
©2009. All Rights Reserved.