Inattention or trouble focusing, hyperactivity and even impulsivity are the major symptoms of a child having Attention Deficit/Hyperactivity Disorder (ADHD). But kids have also suffered from a symptom that is not often mentioned. They show difficulty in managing their emotions. But in diagnosing ADHD , it does not include emotions in its criteria but professionals who work with ADHD patients often report about emotions playing a big role in their daily activities.