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.