Thanks for the query. Is there any swelling in hands and feet? Moon face? Does she is having some medications going on? Lack of exercise may be contributing to your child s weight gain. Some remedies are- Gets several servings of fruits and vegetables each day. Eats whole grains, such as brown rice and whole-wheat bread and pasta. Drinks water instead of juices or sugary drinks. Doesn t have more than 24 ounces of milk a day (and doesn t sweeten it!). Limits high-fat foods. See a doctor and evaluate cortisol level, heart, liver , kidney diseases should also be taken into account. Hope i helped you.