NO: Flonase should not cause diarrhea. It is more likely that the antibiotic you are taking is causing the diarrhea. If you are tasting the Flonase then you are likely using it incorrectly. Always point Flonase out and back (like towards your ear on the same side), and never sniff hard, or it will drip to the back of your throat and you will taste it. Just a tiny sniff should do.
Answered 12/31/2016
1.4k views
It can: Flonase may cause nausea or diarrhea in 1 to 10% of people. REF: https://www.drugs.com/sfx/flonase-side-effects.html
Answered 6/3/2020
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A doctor has provided 1 answer
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A doctor has provided 1 answer
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