A woman says her doctor told her she's been using Flonase wrong her whole life. Here's the correct way to use the product.

Understanding Flonase Flonase is a corticosteroid nasal spray that provides long-term relief from nasal congestion, sneezing, and itchy or runny nose caused by allergies.

The FDA has approved fluticasone propionate nasal spray for the treatment of chronic rhinosinusitis without nasal polyps in patients aged 18 years and older, according to an Optinose press release ...