ADHD in Teens: Symptoms & Signs

Medically Reviewed on 11/20/2019

ADHD stands for attention deficit-hyperactivity disorder. It is a common disorder in children and teens that may persist into adulthood in some people. There are three subtypes of ADHD: predominantly inattentive, predominantly hyperactive/impulsive, and combined type.

Signs and symptoms of ADHD include

Other associated symptoms can include

  • restlessness,
  • being easily bored,
  • talking excessively,
  • having trouble staying seated,
  • interrupting people impulsively, and
  • being fidgety, forgetful, or easily distracted.

ADHD in teens may interfere with social and academic functioning, and the symptoms and signs vary from mild to severe.

Cause of ADHD in teens

There is no known single cause of ADHD. It is likely to arise as a result of an interaction of inherited (genetic), environmental, and social factors.

Other adhd in teens symptoms and signs

  • Being Easily Bored
  • Being Fidgety, Forgetful or Easily Distracted
  • Difficulty Concentrating
  • Excessive Activity
  • Having Trouble Staying Seated
  • Inattentiveness
  • Interrupting People Impulsively
  • Restlessness
  • Talking Excessively
  • Trouble With Impulse Control


The abbreviated term ADHD denotes the condition commonly known as: See Answer

Subscribe to MedicineNet's Children's Health & Parenting Newsletter

By clicking "Submit," I agree to the MedicineNet Terms and Conditions and Privacy Policy. I also agree to receive emails from MedicineNet and I understand that I may opt out of MedicineNet subscriptions at any time.

Jameson, J. Larry, et al. Harrison's Principles of Internal Medicine, 20th Ed. New York: McGraw-Hill Education, 2018.