Advertisement

What is Allegra-D 24 Hour?

Allegra-D 24 Hour is a combination of fexofenadine and pseudoephedrine that is used to treat the symptoms of seasonal allergic rhinitis. Fexofenadine is an antihistamine that blocks the chemical reaction of allergies and the accompanying symptoms including itchy and watery eyes, sneezing, runny nose, and sore throat. Pseudoephedrine is a decongestant that constricts blood vessels in the nose so that you do not feel congested. This treatment comes in the generic form named fexofenadine and pseudoephedrine hydrochloride. 

Continue Learning about Nasal Agent

How do antihistamines relieve allergy and sinus symptoms?
Dr. Jeanne Morrison, PhDDr. Jeanne Morrison, PhD
Antihistamines block histamines, which are chemicals responsible for many allergy symptoms. Antihist...
More Answers
Does Symbicort cause tooth decay?
Dr. William M. Litaker, DDSDr. William M. Litaker, DDS
The use of Symbicort can result in tooth decay. Symbicort has a side effect of drying the mouth. Per...
More Answers
What are the side effects of chronic nasal spray use?
Lawrence T. Chiaramonte, MDLawrence T. Chiaramonte, MD
Someone whose nose is constantly clogged because of allergic rhinitis will snort nasal sprays like N...
More Answers
What should I know about nasal cromolyn before taking it?
Donna Hill Howes, RNDonna Hill Howes, RN
If you are breastfeeding, cromolyn nasal spray may not be a good option for you. It is not known if ...
More Answers

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.