hello thank you for trusting HCM dear you may be suffering from viseral hypersensitivity most commonly seen in irritable bowel syndrome patients.other cause like allergy to cold may release histamine cause release acid release may cause Pain. I have been explained possible mechanisms. use tab.monterleukast at night with tab.pantaprazole before breakfast. if symptoms not improved please consult your doctor he will examine and treat you accordingly. I think I answered to your question if you have more questions feel free to ask. take care