PLEASE HELP

I am looking for answers to something I have been dealing with for over 21 years and I am getting nowhere with the VA or Military doctors.

I am getting chronic chest pains not in the center of my chest but on the lower outside of rib cage, they have dismissed it to be hay fever / allergies / asthma related and stating it is a Pre-existing condition.

I know many people that have asthma I have had some doctors say it is not asthma related but will not document it that way ( just saying unknown condition when they find out I was in Gulf War 1991 Jan and Feb).
They have so far dismissed it being Tietze Syndrome or costochondritis or anything related to Heart problem and no gas problem

I know it is not hay fever or asthma there is no shortness or restricted air flow it is a sharp pain in my chest that over time will radiate to my sides back neck and even upper chest and shoulders if pain gets bad enough I am always in constant pain so it is never gone just always there reminding me if I get stressed overworked pick something up wrong bend over wrong the it sais hello very loudly and at times it comes on by itself and the pain has put me to my knees

I need to know what this is. I feel I am in a loosing battle with them military and VA.