If you feel like your seasonal allergies are getting worse every year, it's not just you. Warming from climate change is making the pollen season longer, and more people are going to the doctor each ...

Nasal sprays can treat congestion and other symptoms of seasonal allergies or a cold. They work by delivering a fine mist of medication into your nostrils. Since the lining of your nose is rich with ...

Early research suggests that azelastine, a common over-the-counter nasal spray that treats seasonal allergies, may offer a ...

A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means as coronavirus cases rise.

In addition to showing a marked reduction in coronavirus infections, the azelastine group also displayed fewer symptomatic ...