Azelastine and fluticasone combination nasal spray is used to treat an itchy or runny nose, sneezing, or other symptoms caused by seasonal hay fever (allergic rhinitis). Oral route (Tablet;Syrup) Promethazine hydrochloride should not be used in pediatric patients less than 2 years old because of the potential for fatal respiratory depression. 1. How it works. Singulair is a brand (trade) name for montelukast. Montelukast inhibits specific receptors in the airways called leukotriene receptors. I have had allergies and asthma all my life. When I have a sneezing/hay fever reaction, it's accompanied by the usual itching of palate and eyes, and my medications take care of it. Most likely you or someone you know has allergies. The telltale itchy, puffy, watery eyes and red, stuffy nose signal changes in the seasons in homes and workplaces across the country. If you would like tips for how to take care of the itchiness, and lessen your symptoms (while still being able to draw cool stuff on your skin), check out my post What to Do With the Itch: 6 Tips to Manage Dermatographia. User Reviews for Allegra to treat Allergic Rhinitis. The following information is NOT intended to endorse drugs or recommend therapy. While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners in patient care. I first sent in this recipe to Earth Clinic in 2002, I think. I’ve been studying people’s comments on it and have revised it accordingly. Thank you to everyone who has posted their comments. Most likely you or someone you know has allergies. The telltale itchy, puffy, watery eyes and red, stuffy nose signal changes in the seasons in homes and workplaces across the country. In most cases, urticaria is an acute condition triggered by exposure to soap, detergent, bubble bath or another allergen.