"chronic headpain"

I have had facial and head pain for at least 18 months now been to ears nose and throat but discharged ,go back to your GP .was then referred to the pain clinic who was at a loss ! the last five weeks have become so painful waiting for mri ,The pain was so bad my husband tried my GP could not get an appointment so rang 111 was told go to a&e I had severe head pain but was told nothing can be done as an on going pain ,go back to your GP I was so upset and felt as tho my illness was a joke to them where do I go now ? seeing my GP this afternoon but I am totally desperate and so depressed