Im sorry to hear about your symptoms. Now from what you have mentioned, these sensations can be due to GERD which is a condition in which the lower oesophageal sphincter is weakned which lead leads to development of acid coming back up into the oesophagus from the stomach. This can even come into the mouth and also cause cough as well as shortness o breath. You might also have pain in the back of the throat, chest burning, burning in the stomach, burping , bloating etc. This can be diagnosed on a clinical examination and also on the basis of an endoscopy. Once diagnosed this can be treated with simple OTC drugs like omeprazole. Infact you can start using this drug at a dose of 20 mg once daily at night. Usually GERD worsens at night and would also improve by taking the following measures such as,
Elevating the head of the bed at night
Eating your last meal at least 3-4hours before bedtime
Cutting back on caffeine
Adjusting your diet so it contains less amount of fatty and oily foods
Now i would suggest that you start the omeprazole and in the meantime schedule an appointment with your doctor who can look into this issue. You could also have gastritis which is inflammation of the lining of the stomach or even an infection by H.Pyroli which can cause these symptoms as well. This would be diagnosed on urea breath testing or stool for antigen tests. Once diagnosed a 14 day course of antibiotics would solve the problem.
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