What it is

Nasonex (mometasone) is a steroid. It prevents the release of substances in the body that cause inflammation.

What it treats

Nasonex nasal spray is used to treat nasal symptoms of seasonal or year-round allergies, including congestion, sneezing, and runny nose. This medicine is approved for this use in adults and children who are at least 2 years old. Nasonex is also used to prevent...