Allegra (Fexofenadine) for Runny Nose
Effectiveness for Allergic Rhinitis Symptoms
- Oral antihistamines like fexofenadine are generally effective in reducing rhinorrhea, sneezing, and itching associated with allergic rhinitis 1
- The American Academy of Allergy, Asthma, and Immunology recommends oral antihistamines like fexofenadine for relief of symptoms associated with seasonal allergic rhinitis, including rhinorrhea (runny nose), sneezing, and itchy nose/palate/throat 1
Advantages of Fexofenadine Over Other Antihistamines
- Fexofenadine is a second-generation antihistamine that does not cause sedation at recommended doses, unlike first-generation antihistamines 2
- The American College of Allergy, Asthma, and Immunology notes that among second-generation antihistamines, fexofenadine, loratadine, and desloratadine do not cause sedation at recommended doses, while cetirizine may cause sedation 3
Limitations for Nasal Symptoms
- Oral antihistamines like fexofenadine have little objective effect on nasal congestion compared to their effect on rhinorrhea 1
- For patients with significant nasal congestion, combination therapy with a decongestant may be more effective, as recommended by the American Academy of Otolaryngology 4
- Intranasal corticosteroids are typically more effective than oral antihistamines for controlling all nasal symptoms, including rhinorrhea, according to the American Academy of Allergy, Asthma, and Immunology 5
Dosing Considerations
- Continuous treatment is more effective than intermittent use for seasonal or perennial allergic rhinitis, as stated by the American College of Allergy, Asthma, and Immunology 1
When Fexofenadine May Not Be Sufficient
- For patients with predominant nasal congestion, adding a decongestant may be beneficial, as recommended by the American Academy of Otolaryngology 4
- For more severe allergic rhinitis, intranasal corticosteroids are typically the most effective medication class, according to the American Academy of Allergy, Asthma, and Immunology 5
- For non-allergic rhinitis with rhinorrhea, intranasal anticholinergics may be more effective than oral antihistamines, as noted by the American College of Allergy, Asthma, and Immunology 5