Make sure it is Nasonex not Flonase. Flonase has a strong odor and taste. And if he decides to try again make sure he is using it correctly (see attached)Dr Lizzi prescribed it (nasonex) and gave it to him. He hated it, taste issue. I will have to nag a bit more. If it could only be given for a few days in advance he could be compliant, but since it needs to be given on routine dosing to be effective...
It never helped me but others find it beneficial.
Another nasal steroid option is Qnasl but it is prescription. The advantage here is it is an aerosol and some tolerate that better than spray. And Flonase has a new OTC mist option.
Last info about nasal steroid sprays, the usual dose for both Nasonex and Flonase is two sprays once a day but one spray twice a day works better for some.