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.