One must always try to determine the cause of behaviours. Uncontrolled blood glucose, especially if it is hypoglycaemia may cause behavioural changes such as aggression, etc, but this is easy to diagnose as the patient must just monitor his blood glucose and if he develops a hypoglycaemic episode it must be treated immediately and maybe a review of his medication with his doctor can help to eliminate these. There are several other causes of behavioural changes and I would suggest a consult with the doctor managing him to discuss this and investigate it further.
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