Digestive problems. Dint eat anything fromfrom. yesterday evening till today morning.  Bad hickups after eating sweet that he ate yesterday afternoon. Today morning he had a parantha and tea and then little pain and non easy after that He took antacid before lunch and then took pain killer after lunch. But still it is paining. Upper and lower abdomen lining. Pains more on pressing. He feel heavy stomach and gaseous after I eat anything. Lighter or healthy food. Gas is there. What should he do? Or any tests should be taken? Thanks