May 10, - Related to ADD & ADHD · ADHD in to ADHD. Here are 10 potential warning signs of adult ADHD: ADHD symptoms can make some people more likely to speed, have traffic accidents, and lose their driver's licenses. No. Checklist of ADHD / ADD Symptoms in Adults. Attention deficit hyperactivity disorder (ADHD or ADD) is a neurological condition defined by a consistent pattern of inattention and/or hyperactive impulsivity that interferes with daily functioning in at least two settings — for example, at work and at home.ADHD Symptom Test · An ADD Symptom Checklist · Using the Quotient System to.