Brief Answer: Due to gastritis. Detailed Answer: Hello, Thanks for posting your query. The pain that you are having is likely to be due to gastritis caused by a binge drinking. You will need proton pump inhibitors for a week or two. Omeprazole is usually available over the counter and can be taken once a day before breakfast. Check with your pharmacist about its availability. In addition, you also need some strict life style modification like- Avoid hot and spicy foods coffee and beverages - they worsen symptoms. If you smoke, stop smoking. Lose weight if needed. Eat small but frequent meals at regular intervals. Avoid lying down immediately after a meal. A minimum of 2-3 hours should be lapsed after a meal. Raise the head of your bed 6 to 8 inches by securing wood blocks under the bedposts. Just using extra pillows will not help. I hope this answers your query. In case you have additional questions or doubts, you can forward them to me, and I shall be glad to help you out. Wishing you good health. Regards. Dr. Praveen Tayal. For future query, you can directly approach me through my profile URL http://bit.ly/Dr-Praveen-Tayal

---