Though weight is also affected by general body structure, 85 kg is on higher side. Coupled with high blood pressure this can put strain on heart, kidney and liver. Also, there are high risks for stroke. Cholesterol levels can also be high. You need to keep the child’s blood pressure under control, find the cause of weight gain, and treat both weight and blood pressure. Medication, diet, lifestyle changes, and exercise will all play a crucial role.
Please consult a doctor immediately. Take care!