Dear doctor my son age of 22 years having adhd using medicine since last 15-17 years. At present we are consulting a doctor in chennai since 5 years. He is going some vocational training center in chennai regularly. Because of the lock down he is in the house last 4 months.in last couple of weeks he is become more aggression and getting angry often. He biting his tongue and lips while he is in aggression. Looking forward your valuable advise and suggestions.