Hello my daugter know five years old had the same problem at age one she only weighted 14 pounds it was really hardx to get to that 20 pound mark,she is know 43 pounds and doing well she still short for her age but at least she gaind weight. She stayed at only the five percent mark for so many years.But she has climbed up and know is at 25 percent, things will come in good time. As they get older we are able to get a better grip on things. My daughter has grown so much within the last three months that she is put on dex because she out grew her meds cortef and is out of controll so to maintain her levels she need this new medication dex for two weeks, I rember thinking she would never grow and know she’s growing to fast god bless you family