How to differentiate ADHD and an hyper kid?

ADHD is already diagnosed. It is still best that you consult an expert since they'll be the one who has a professional assessment whether a child is just hyper or has ADHD. I have friends who thought that their kids have ADHD. After consulting a doctor, they found out that the kids are just hyper and just have to cut back on the sugar intake.

Being hyperin children is just a normal part of growing up, but sometimes it can be a sign of ADHD. You may want to read this link: https://ph.theasianparent.com/hyperactive_kids_alan_yip_parenting_tips/