Hello dear Warm welcome to Healthcaremagic.com I have evaluated your query for your son in details . * First and foremost thing is to confirm the diagnosis with necessary evaluations of lab tests , ultrasound and if required upper GI scopy * Guidelines till then Prefer soft , light , bland , vegan diet till possible . Consume more of whole grains , cereals , pulses , legumes , organic fresh fruits . Avoid all oily , spicy , non veg , hot beverages , junk foods , hot beverages Avoid over eating , prolong fasting . Avoid resting upto 2 hours after meals . Fix your timing of breakfast , lunch , dinner till possible . Avoid late night parties , dinners . Keep the head end of the bed elevated for 30 degrees when resting . Have regular walking in fresh air , exercises , YOGA . Avoid smoking , alcohol if consuming . Avoid stress , anxiety . Maintain to have regular sound sleep of 8 hours . Addition of dicyclomine or drotaverine in the drug basket for pain relief. Hope this will help to clear your doubt . Wishing him fine recovery . Always welcome for any further assistance anytime . Regards .