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A 39-year-old male asked:

My saline nasal spray has benzalkonium chloride in it, will i still be able to use it daily or is that a chemical that shouldn't be used often? thanks

1 doctor answer1 doctor weighed in
Dr. Nancy Mellow
Internal Medicine 44 years experience
Daily is fine: Benzalkonium chloride is a commonly used preservative, but sprays containing it can safely be used daily.

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Last updated Aug 19, 2013

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