Not much: They contain different steroids, fluticasone and mometasone respectively, which do exactly the same thing. Nasonex is odorless, while Flonase has a "rosy" smell.
Answered 6/5/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
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