I know people who would be down A&E like a shot with those symptoms. Perhaps that's what it'll take, sometimes it's about finding the right doctor at the right time, my stepdad had chest pains and none of them knew why, every test and medical check was fine. He then had it particularly bad one day he was alone at home so went to A&E, and the doctor asked him one question and then diagnosed it was from mucus build up from a previous virus breaking down, and gave him some medicine. Been fine since.
I'd go to A&E and honestly just say that it's getting worse, and describe