Our expert says:
It really is essential that the doctors who have been in charge of caring for him, discuss frankly with the family what diagnosis they have made, what the treatment is, and what the outlook is for him in the future. There are too many possibilities for me to want to guess. There are some medications, usually used for psychotic illnesses such as schizophrenia, but also with other uses, which are given by monthly or 2-weekly injections, which save the person from needing to remember to take the tablets daily. Some of this sort of medication by injection should be available through a state / privincial hospital or clinic, if the expense is a problem ; some of the newest varieties may not be available at such clinics.
Its probably significant that he is still managing to get really good marks in his studies, despite his otherwise odd behaviour, so there are a number of possible diagnoses including Autism and a range of similar disorders. In these conditions, a person may be highly intelligent and very skilled at some things which interest him, but may have severe problems in relating to other people and in conforming his behaviour to what other people expect of him. Physical aggression is usually not part of the problem, though their lack of concern for what other people think may seem like deliberate povocation when it isn't intended that way.
With several of these possible diagnoses, though one person may show marked anomalies in how they behave, its fairly common for other people in the family, maybe including brothers / sister, maybe even your dad, to share some of the features.
But above all, it is ESSENTIAL for the doctors responsible for caring for your brother to frankly discuss all of these issues with his parents and family, so they can know how best to deal with him - that is an inescapable duty of any doctor in this sort of situation, and part of basic good patient care
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