Due to the need of the condition, there is generally no serious harm in giving growth hormone to children as prescribed by the doctor, but there may be some side effects of the drug, such as local reactions, hypothyroidism, altered glucose metabolism, and idiopathic elevated intracranial pressure. 1. Local reactions: injecting growth hormone into children may increase local redness, swelling, heat and pain, which is related to individual differences and the purity of growth hormone. 2. Hypothyroidism: Growth hormone injections may result in hypothyroidism about 2-3 months after the start of injections. 3. Altered glucose metabolism: Prolonged and heavy use of growth hormone may cause the child to develop insulin resistance, with an increase in fasting blood glucose and insulin levels. 4. Idiopathic elevated intracranial pressure: growth hormone can cause sodium and water retention, individual children may experience idiopathic elevated intracranial pressure, peripheral edema and elevated blood pressure, especially in children with chronic renal failure. Growth hormone may have some other side effects, if you need to use, must be strictly under the guidance of a doctor to use medication, not blindly self-medication, in order to avoid adverse effects.