Hi. Thanks for your query. Noted the history and understood the concerns. Bloating to the extent of feeling pregnant, morning enhancement of symptoms after coffee, heartburn, and pain in abdomen indicate that you are most probably suffering from Gastritis with reflux called GERD that is gastroesophageal reflux disease. Diarrhea after coffee also indicate that there may be an element of intolerance to coffee and anything that contains caffeine. Hence I would advise you the following: Stop coffee and any food or beverages that cause symptoms. Take a PPI like Omeprazole. Antacid every three hourly. Domperidone as motility regulator. Go for an Upper GI Endoscopy examination for further evaluation and continuation or addition of medications. Control of stress and anxiety is the mainstay of management. No alcohol, no smoking.