My Little Son 4 Year Old. Who Servive Growth Hormones

My little son 4 year old. Who servive growth hormones defiiciency. So that we have to give him 10ml.Recombinant Human growth Hormone injection daily basis till 18 years.(as per dr.advise) It is too lenthy and v. Expansive process for us and ptobably harmful for our child. So if you can suggest any other solution or easy path for his defficiency. Please tell me. From:Ravindra D Aghara 0000 - Rajkot.