Corticosteroid nasal sprays (such as Flonase, Nasacort, and Nasonex) are used to help allergy symptoms like a runny or stuffy nose. They help reduce inflammation in the nose. They start working quickly, but it may be several weeks before you get the full effect. Here are some tips for using these sprays:
Current as of: July 29, 2016
Author: Healthwise Staff
Medical Review: E. Gregory Thompson, MD - Internal Medicine & Rohit K Katial, MD - Allergy and Immunology
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