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.
Background : My brother who met with a road accident started getting 
Fits few years later. He has a 
brain injury but scans taken regularly do not show any deterioration. 
Encorate Chrono is prescribed to him 400mg twice.
Problems : Now, after about 4 -5 years, he suffers confusion and we suspect that encorate chrono dose is too much for him. Can we reduce it to 400mg (Morning) + 200mg (Night) to ease this situation. He has difficulty in getting up and walking and he says his 
limbs are paining.
Answer : 
The Difficulty in Getting up and Walking can be due to various reasons like Post Traumatic Hydrocephalous. Hence a thorough workup is needed. 
The proposed Plan of Action would be 
1. 
MRI Brain Plain and Contrast 
2. EEG 
If there are no lesions in MRI + if EEG is normal, we can reduce the dose of Encorate Chrono
If EEG is abnormal, we need to give some other drugs and reduce the dose of Encorate Chrono 
I would advice  you to consult a Neurosurgeon in your place at the earliest
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.