Hello dear this heart burn
anxiety hot flushes come in few conditions lets discuss few,,,,first you have simple anxiety so you need to work put reason and make your mind relax by catheresis if still not working
consult psychologist,,,,second being women in your fertile age you might have anemia so do your complete blood picture ,it will help,,,,third being fertile you might be preegnant,,,,then do
pregnancy test,,,,you might be having
dyspepsia and
constipation in that case take antacid and motility enhancing drug,,,last condition you might have hyper thyroidism,,,in this case you need to worry if symptoms occur again,,,do thyroid levels and ekg,,,,,stat blessed hope my answer is of some help to you