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How does borderline personality disorder present in children?

My 11 year old son has severe mood swings and tantrums. How does borderline personality disorder present in children?

3 Answers

Personalities are defined as Adults, thus age 18 and over. So, Borderline Personality Disorder does not exist in children, only possible traits, but I would argue that your son needs to be evaluated and severe mood swings and tantrums can be other diagnosis. I would recommend for him to get evaluated.
Hope that helps.
We generally don't diagnose Borderline Personality Disorder in children. Instead we would diagnose Reactive Attachment Disorder if there is a history of loss of a parent or being placed in foster care or growing up in an orphanage.

More importantly, there are far more likely causes of severe mood swings and tantrums in an 11 year old boy than from a personality disorder or reactive attachment. The list of possible causes is too long to list here, but I would get him formally evaluated by a child psychiatrist. The psychiatrist should be able to figure out why he's having such severe tantrums and direct you to the appropriate treatment whether it is therapy or medication or both.
Personality disorders do no exist in children, only over the age of 18. Mood swings and tantrums in children are more often signs of a mood disorder.