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What is Allegra?

Allegra is the brand name of fexofenadine, an antihistamine. In February 2010, fexofenadine was approved for use over-the-counter without a prescription.

Continue Learning about Nasal Agent

How effective is cromolyn nasal spray?
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Cromolyn can provide relief of nasal itching, sneezing, and runny nose, but is less effective for re...
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What is cromolyn nasal spray?
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Cromolyn nasal spray (NasalCrom) reduces allergy symptoms by preventing cells in the air passages fr...
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What should I know before using an antihistamine nasal spray?
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Some experts suggest that antihistamine nasal spray should not be used for year-round nasal allergy ...
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How effective are oral antihistamines?
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Most oral antihistamines must be taken every day to control symptoms. They are more effective than a...
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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.