Resepcted user, hi I evaluated your query thoroughly. * First of all try these home remedies - increase water consumption - fruit juices ( apple , pear , prune ) - high fiber diet with peaches , cauliflower - make him to chew food thoroughly - bicyle legs - massage his tummy gently to relieve trapped wind - tablespoon of fresh organic honey with glass of warm water in the morning to initiate digestive system * Needs Pediatric evaluation & management if nothing of the above works Hope this clears your query. Thanks for using Health care magic & giving me an opportunity to assist you. Welcome for any further queries. Wishing him fast recovery from it . Regards dear take care.