This might be due to gastro-esophageal reflux disease (GERD). There are several reasons why people have GERD. One possible reason has to do with the muscle at the bottom of the esophagus. Normally, this muscle closes to keep food and stomach acid from coming back up the esophagus. Advice 1.     Omeprazole 20 mg per oral empty stomach in the morning for 10 days 2.     Albendazole 400 mg per oral at bed time for 3 days 3.     Quit smoking and alcohol 4.     Do not eat heavily at a time. Divide your meals into smaller portions and eat them frequently during the day 5.     Avoid a particular food if pain occurs particularly after eating that food. Allergy particularly occurs for dairy products 6.     Avoid eating 3 hours before lying down 7.     Raise the head of your bed 8.     Avoid spicy foods, fatty foods, mint, chocolate, tomato-based foods, coffee, and citrus fruits 9.     Investigation – R/E of stool I hope this information will help you. I will be happy if you ask another question Thank