Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search help
1 results
  1. NLM Digital Collections - Allergic rhinitis : developing drug products for treatment 
    Publication: Silver Spring, MD : Center for Drug Evaluation and Research, September 2018
    resource.nlm.nih.gov/101734438
    ... or systemic decongestants (3 days) ‒ Cetirizine, fexofenadine, loratadine, desloratadine, hydroxyzine (5 to 10 days) ‒ Intranasal antihistamines (3 ...