About Adult Allergies
Knowledge Is Protection
The more you know about indoor and outdoor allergies, the more you'll be able to help protect your family throughout the year. That's why you should learn all you can about the allergens that trigger hay fever symptoms.
Find out more about what triggers your seasonal allergy symptoms.
Allergies, Cold Or Flu?
Find out how you can tell the difference between common allergy, cold, or flu symptoms.
About Histamine
Find out more about histamine and why it may cause you to sneeze and feel congested.
Allergy Symptoms
Find out more about the allergy symptoms associated with seasonal allergic rhinitis—commonly known as hay fever.
Allegra offers a wide range of prescription-strength allergy medicines to relieve allergy symptoms. Allegra and Allegra-D are now available OTC, and they can help you get the allergy relief you need.
