Brief Answer: Due to gastritis. Detailed Answer: Hello, Thanks for trusting us with your health concern. It is very likely that he has a moderate case of gastritis which is caused by excessive acid secretion and irritation of the lining of the stomach. Anxiety and change in the environment adds to the problem. I recommend you go to the pharmacy to obtain omeprazole 20 mg tablets. You should take one tab with breakfast and one with dinner for 7 days. After 7 days you should take one with breakfast only for 21 more days. This should promote healing and resolution of your symptoms. The best way to control these symptoms would be lifestyle changes with the following tips: 1. Change and develop good dietary habits including eating several small meals daily. 2. Diet should include fresh fruits, fiber rich foods. Avoid spicy foods, fats and fried foods. Also avoid coffee, tea, alcohol, colas, and smoking. Avoid processed foods (Junk foods from refined carbohydrates). Eat freshly cooked food from whole grains. 3. Adopt proper posture. 4. Don't eat for at least three hours before you go to bed. If you have symptoms at night, try raising the head of your bed six to ten inches. 5. Maintain adequate hydration. 6. Adopting a sitting upright posture for 1 hr post meals will help in relieving the symptoms. 7. Avoid foods to which you are intolerant. 8. Start walking and reduce stress. You can also practice meditation techniques. This causes a variety of symptoms including pain in the abdomen, nausea and vomiting. Please feel free to discuss further. I will be glad to answer the follow up queries that you have. Wishing you good health. Regards. Dr. Rakhi Tayal. For future query, you can directly approach me through my profile URL http://bit.ly/Dr-Rakhi-Tayal

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