Have to admit though with that it did seem to leave my nose clear,i can only actually breath proper through one nostril.My nose is out of shape and has a smaller passage in my left nostril,if i hold my right nostril closed i can't breath through my nose at all.
That sounds like a whole new ball game ... and you should make your doc even more aware of it if he doesn't know about it already.
It is quite normal to have phases where one feels disaffected with one's doc. Do try to persevere as with them on your side you can get access to help and second opinions and without ......... well life becomes even more difficult.
Have you considered a short planned nap in the afternoons? It may not be the typical behaviour in the job you do, but you might do your job better as a result. Hope things get better for you soon.