share a seamless boundary & are often comorbid (occur together) with each other. The cbcl (http://vinst.
Umdnj.Edu/vaid/testreport.Asp?Code=cbca) is a helpful tool your doctor can use to help differentiate them. Adhd kids are usually happier and are sweethearts. Bpd kids more often have chronic irritability and can be very destructive, purposefully aggressive, mean & hurtful.