How long does it take to recover from Kidney Deficiency in a 17 year old boy cannot be generalized, it needs to be assessed comprehensively based on various factors such as the cause of the disease, the condition, the treatment method and so on. For 17-year-old boys with symptoms of kidney deficiency, such as lumbar and knee weakness (a feeling of soreness and weakness in the waist and knees), lethargy (tiredness and weakness), dysuria (poor urination), and lack of concentration, you need to first consult a regular hospital to clarify the cause of the disease. For bad habits such as staying up late, playing games, masturbation, dietary favoritism, drinking alcohol, etc., we need to first help the child to give up the bad habits, develop good habits, and based on this with traditional Chinese medicine to identify the cause of the disease. For the symptoms of kidney deficiency caused by certain kidney diseases, it is necessary to clarify the cause of the disease and then treat the cause. The severity of the disease is different, the length of the treatment course is also different, so we can not give a specific recovery time, need to clinicians comprehensive assessment and judgment. It is recommended to go to a regular hospital in time to see a doctor for the symptoms of kidney deficiency, under the guidance of the doctor to clarify the cause of the disease, the cause of the treatment, do not take medication on their own to delay the condition.