Hi, Welcome to HealthCareMagic.com I am Dr.J.Mariano Anto Bruno Mascarenhas. I have gone through your query with diligence and would like you to know that I am here to help you. Problem : after medication from Homeopathy he got better but stoped talkign and his brain growth slowed down, Solution : Please discontinue Homeopathy, Consult a Neurosurgeon in person, Take Proper Treatment after complete evaluation. Hope you found the answer helpful. If you need any clarification / have doubts / have additional questions / have follow up questions, then please do not hesitate in asking again. I will be happy to answer your questions. In the future, for continuity of care, I encourage you to contact me directly in HealthCareMagic at http://bit.ly/askdrbruno Best Wishes for Speedy Recovery Let me know if I can assist you further. Take care.