Attention Deficit/Hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by the presence of impairing levels of inattention, disorganization &/or hyperactivity-impulsivity.
Symptoms that suggest ADHD includes hyperactivity, acting without thinking, inattention/daydreaming, fidgety, restless, excessive talking, aggressive behavior, academic underachievement, disorganized and has difficulty in completing task.


  • A neurobehavioral disorder that is marked by a pattern of inactivity, hyperactivity and impulsivity that affects the functioning and development of a child
  • Attention deficit/hyperactivity disorder is frequently present along with  ≥1 of the following associated conditions:
    • Learning disabilities (eg cognitive impairment, specific learning disorder, motor coordination problem, memory or auditory discriminatory problems)
    • Speech and/or language delays
    • Anxiety disorder
    • Mania-bipolar disorder
    • Autistic disorder
    • Conduct disorder
    • Depression
    • Psychosis
    • Oppositional defiant disorder
    • Family and/or social problems
    • Other medical problems (eg iron deficiency, lead toxicity, Tourette’s syndrome, tics, sleep apnea)

Signs and Symptoms

  • Hyperactivity
  • Acting without thinking
  • Inattention/daydreaming
  • Fidgety, restless
  • Excessive talking
  • Aggressive behavior
  • Academic underachievement
  • Disorganized
  • Difficulty in completing task
Editor's Recommendations
Most Read Articles
03 Jun 2016
Patients with non-syndromic oral cleft (OC) are more likely to be diagnosed with psychiatric disorders compared with individuals without OC, according to a Danish cohort study.
01 Sep 2014
The use of topiramate as an adjuvant treatment for obsessive compulsive symptoms in patients with bipolar disorder has not been investigated. Thus, a study was conducted.
Roshini Claire Anthony, 04 Nov 2016

Individuals with schizophrenia or bipolar disorder who are on selective serotonin reuptake inhibitors (SSRIs) may have an increased risk for metabolic abnormalities, a study from Norway shows.

09 May 2016
Both the predispositions of the person who develops alcohol use disorder (AUD) and the direct results of AUD itself affect mortality in AUD.