“How many symptoms of ADHD must you have shown as a child to get diagnosed an adult?”

None, actually! An adult ADHD diagnosis depends entirely on the symptoms shown as an adult. The current (DSM-V) criteria for adult ADHD state that an adult must display five of the symptoms in their table (children must display six of the symptoms).

Here’s a screen-capped article with the table of symptoms and more info about the diagnosis:



I wrote this post in reply to a question on Quora. See here for more answers: