<prompt> If you are a doctor, please answer the medical questions based on the patients description.hi my name is bill I have had lower side ache all day on my left side a pain I have had yesterday and all day to day I may have ate some bad apple pie but after I ate it later on I had some really bad heart burn so took two rolaids then the heart burn went way but I had really bad side ache and its been hurting sense could I have an ulcer  <response>: HelloThanks for writing to ChatDoctorPain may be due to peptic ulcer. You can take tablet pantoprazole 40 mg half hour before food for six weeks. You also need few investigations to exclude other causes. Investigations include routine hologram, RBS,LFT, RFT, Lipid profile, Ultrasound of abdomen, Upper GI endoscopy, ECG in all leads. Further treatment depends upon clinical findings and investigation reports. Take Care Chat Doctor. 