A doctor would have to diagnose the person to say for sure. Family traits like being fidgety, interrupting other people when they are talking, short attention span as in cannot read a book from start to finish because it is too boring and time consuming. There are tests on line that help to provide some indicators. Cannot finish a project, messy, impulsive, reckless.
They have tests that you can take, just like everything else. You set up an appointment, take the test, grab some meds & run. I could be the poster boy for ADHD, That just adds to my belief that it's a crock of ****.
Unusual inability to pay attention, stay on task or focus on details, unusual impulsivity, unusual impulses to act before thinking, extreme distractibity. Excessive daydreaming. Unusual inabity to remember things youve been told. Hyperactive - unusual inability to sit still, usually loud, constant talking, running everywhere etc.