Hi , Doctor , my mom is undergoing treatment for Brain TB , It s been 13 months she is taking AKT-3 with other tablets and now after consultation with doctor AKT-4 is changed to AKT-3 , review after 3 months is suggested by doctor. how long will it take the Brain TB treatment I have heard on forums like it will may go up to 2 years or 18 months. after this the treatment will change from AKT-3 to AKT-2. Please suggest. Thanks