I'm 65 Female A Bit Overweight And 5 Ft 6

I'm 65 female a bit overweight and 5 ft 6 i have had heartburn for many years and take over the counter remedies but lately it's got worse and have started getting painful indigestion which has resulted in vomiting to relieve it but over last 3 days i feel as though I have something stuck on my chest as first it felt like food but that feeling has gone but still feel as though something is on my chest and I'm burping and hiccupping quite a bit frightened to eat now any recommendations to relieve this . Thanking you