my son is 1.5 months old .. he has so much gas problem & his belly button has became so big .. what's d reason behind this & how to get rid

A. Gas related problem is very common in small babies because of many factor including immaturity of the gut . other factors include cow's milk introduction before 1 year of age , bottle feeding, not giving proper burping after each feed. Digestifbve enzymes like aglozyme drops can be given as suggested by doctor in proper dose for reliving of such symptoms .