U should consult a gastroenterologist either DM or surgeon, who will do your endoscopy and find out the cause

Kindly visit a gastroenterologist so that you can be assessed and undergo investigation such as endoscopy to find the underlying cause and have it treated. These steps may help: - Don't skip meals, Have a liquid diet containing soups and juices and slowly increase to solid food based on how you can tolerate it. - Reduce/ Avoid spicy,fried, fatty, junk and oily food - Avoid/ Limit drinking coffee, tea and carbonated drinks to once a day - Exercise regularly (minimum 30 mins) - Increase daily intake of water to 3 liters - Avoid/Stop smoking and drinking if you have the habit - Reduce stress through methods such as yoga/meditation. Kindly visit the gastroenterologist at the earliest

Visit any of the Gastroenterologist available locally at earliest. It might be due to peptic ulcer disease or Oesophageal varices