Inhalers and nasal sprays are a daily necessity for millions living with asthma, chronic sinus problems, and allergies. These medicines, which contain corticosteroids, help ease breathing and calm ...

Woman sitting on a bed reaching for her inhaler. In the U.S., 25 million people are affected by asthma. That’s roughly 1 in 13 adults and children. Asthma can be mild or severe. Some people with ...