Hi... Welcome to healthcare magic. As you mentioned you have problem of upper abdominal pain that may be because of gastritis or ulcer or gastroesophageal reflux problem or other reasons. Clinical examination and history give exact idea about problems. Special investigation like endoscopy helpful for diagnosis. Start a treatment as per reason behind it.. Avoid gaseous foods and fatty foods. Drink more water per day.. Avoid tea, coffee... I hope this will help you. Get well soon.. Thank you.