11. About 35 million Americans suffer from hay fever, known medically as allergic rhinitis . 12. In nasal spray form, it is used to treat allergic rhinitis . 13. Many patients with allergic rhinitis have relief of their symptoms within 12 months. 14. Later, sublingual formulations were found to be effective in symptom reduction in allergic rhinitis . 15. Combinations of the same drugs are useful in non-allergic rhinitis . 16. Clarinex, a once-daily nonsedating antihistamine to treat seasonal allergic rhinitis , will launch in January. 17. Allergies that are active year-round are called perennial allergic rhinitis . 18. They control inflammation in patients with asthma or allergic rhinitis . 19. It is one of three ingredients in a proprietary herbal medicine for allergic rhinitis . 20. Many people who were previously diagnosed with nonallergic rhinitis may actually have local allergic rhinitis .
