ADHD Symptoms in Adults

Symptoms of ADHD start at an early age, but they may not be noticed until adulthood. Even then, adults who have lived with undiagnosed ADHD may not recognize lifelong challenges as symptoms of ADHD.

ADHD isn’t the same for everybody:​​

  • Not every person with ADHD shows all of the symptoms
  • Some people have mild ADHD while others have severe ADHD that results in significant impairments