July 22, 2018
A Nasal Spray for Allergy Prevention

A Nasal Spray for Allergy Prevention

by Berkeley Wellness  

NasalCrom (cromolyn sodium, also available in generic versions) is a safe and effective spray for preventing hay fever symptoms in adults and children as young as six. It works by blocking irritating chemicals (for example, histamines) that your own cells release when you are exposed to allergens. It is best started before allergy season begins, and you must spray three to four times daily.

NasalCrom may take a week or so to begin working. It won’t help as much after symptoms appear. It’s okay to use NasalCrom with over-the-counter antihistamines. Unlike decongestant nasal sprays, it doesn’t produce rebound congestion, and it has the fewest side effects of any allergy medicine (though it’s not as effective as nasal steroids.