Symptoms And Seriousness

This is the least common type of ADHD and is characterized by impulsive and hyperactive behaviors without inattention and distractibility.

Common symptoms include:

• Often feels restless or fidgety
• Often leaves seat in situations when remaining seated is expected
• Often unable to play or engage in leisure activities quietly
• Often talks excessively.
• Often has difficulty waiting his or her turn
• Often interrupts or intrudes on others

This type of ADHD is characterized predominately by inattention and distractibility without hyperactivity.

Common symptoms include:

• Often fails to give close attention to details or makes careless mistakes.
• Often has difficulty sustaining attention in tasks or activities.
• Often does not seem to listen when spoken to directly.
• Often does not follow through on instructions.
• Often has difficulty organizing tasks and activities.
• Often loses things necessary for tasks or activities.
• Is often easily distracted by extraneous stimuli.
• Is often forgetful in daily activities.

This is the most common type of ADHD and is characterized by impulsive and hyperactive behaviors as well as inattention and distractibility. Symptoms include those listed for each sub-type.