Sounds like a chest infection - antibiotics will sort it. I had one some years back and didn't get it seen to as there were other more worrying health issues at hand. "If it's an infection it'll go away on its own in time" I said - well it did but it left me with some lung scarring and late-onset asthma. "I kept telling you to go" she says, helpfully
You've been to your GP so you did the right thing
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