Mothers please help me?

My baby is 5 months old and he does nothing but get sick after all his feeds i brought him to the doctor and she said i just had a baby that pucks all the time.. but i was told he would start grown out of this by 6 months and i still see no different in him yet. he is on his 3 spoons a day and 6 bottles and going every three hours could him be gettin to much food into him please mothers what do you think cause i cant he play with him and he keeps gettin up his food its a pain