He is on eplitetic medicines from age of 10. The disease is from 2 years. Mental development was very slow from childhood. He used to have fits. Later on after age of 15 he also developed bipolar disorder.He used to be violent  After, the above medications, there are no fits. Now, sometimes mood swing happens. He has a tendency of doubt. Sometimes he becomes too obstinate wanting something. Are the dosage of the medicines to be changed. Or same should continue