Moodiness isn’t unique to people with ADHD. All people are moody at times and lose their cool now and then. But it’s very common when people struggle with impulsivity and poor self-control, which are key symptoms of ADHD.
People with ADHD also tend to feel anger, anxiety, frustration, or disappointment
than others. (The same can be true of positive emotions.) They can have trouble putting the brakes on their feelings.
how ADHD affects the brain
to find out why this happens.