Hi thanks for contacting HCM... Noted you have viral flu of stomach.... Here are possibility.... -Reffered chest pain from viral infection of stomach -muscular pain by unaccoustemed activity. Here are some advise.... Take pentoprazole for two week. Avoid excess spicy and fatty food for few days. Green leafy salad taken more... Avoid smoking ....and alcohol.... Cooked oatmeal rich in selenium , thiamin , fiber , vitamin E .. So sooth stomach... Kiwi , avocados , berries like fruit useful. Avoid excess tea and coffee.... You will recover in few days.... If any unsual symptom like cough , fever, chest pain occur then further work up needed. Dr.Parth