Is this normal? Feels like someone has pulled my scarf too tight!

[NickAngel]

I've been having a pain in my neck - Adam's apple bit/oesophagus-and stuck burps and I'm being sick a fair bit. This releases the burps but it's not getting better. I've got omeprazole and been taking for three days now. I don't really feel hungry and I've lost appetite but this may be due to worry about being sick.
I'm not a naturally relaxed person and I'm hoping it's just a manifestation of stress ( as eczema has been) but when I mentioned it to GP ( to get omeprazole) he said i needed to follow up in a week. So I'm not sure if symptoms are more worrying than I hoped.
It's been going on since January at least and I've lost weight but again this may just be due to not eating.
What is it? It feels like someone is pressing on my throat and it feels bruised IYSWIM?
Can anyone help?

[NickAngel]

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