smell coming from the nose

Hi everyone i have bad breath and the oder comes from my sinuses as well ...im using perohide and baking soda and that helps a grate deal but the only problem is that the smell from the nose still is well alive....i have tryed all the sprays and sinuse washes and everyone of then make it so much worse...
The smell is muski and its jusst the most discusting smell u can smell....i have no idea what to do...I am currantly sawing up for serg. because one of my nostrules is closed .... and i alsow have postnasel drip..

Can you please sugest what i can use in regards to the smell from my nose...
thank you Tweet