help plz asap on gerd

hi i have gaging problems since 7th grade i could never run without gagging sometimes i through up but i try calm myself so i wont throw up and now since 9th grade i been having radom gags alot in school in the shower even brushing my teeth and i went see a doctor btu said acid reflex gave me meds and didnt work then i went back gave me a inhaler and didnt work and before i go again i wanted to ask someone who might know on the net and this was a year ago when i went to go see the doctor and gave me thoughs can u me please and thank you
and im age 16 and 11th grade and ill be 17 in nov 24 so im almost 18 next year and i wanna join the marines but with the physcial running and stuff and keep gaging i wont be able to join so u got any edvice what it is and who should i tell for meds or something for it
im looking for cause treatments and what should i do and stuff

[cjcj123]

anyone help?