Hello and Welcome to ‘Ask A Doctor’ service.
I have reviewed your query and here is my advice.
Your heart burn can be from
acid reflux, for which antacid drug should be prescribed. For that
Rabeprazole can be prescribed. Acid reflux can lead nausea as complication. For nausea
Domperidone or Ondem MD like drug can be prescribed.
Check cardiac cause also by measuring blood pressure and EKG.
Rule out
hypothyroidism, if cold intolerance and other symptoms present.
Excess stress, smoking, tension, anxiety, depression, etc. are some other causes.
Consult nearby
neurologist or physician for examination.
Hope I have answered your query. Let me know if I can assist you further.