I have been on Advair for about 8 months. The only side effect I ...

I have been on Advair for about 8 months. The only side effect I am trying to confirm is form the Advair is an odd smell in my nasal cavity and my taste is off. At first I thought old favorites had changed their ingredients - tasted a bit like chicken broth. I tried a nasal wash and it smelled, too. When I eat hot items that make my nose run, the smell melts into my mouth and ruins the flavor. Is there a way to confirm this is an Advair issue? I brush my teeth and/or rinse after each use.