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Symptom Overview

There are three core symptoms of ADHD: inattention, impulsivity, and hyperactivity. Below is a breakdown of ADHD symptoms. This list is an overview of what these symptoms may look like in children. It is not a diagnostic tool.

Only a doctor or other health care professional can diagnose ADHD.

Symptoms of Inattention

  • Often makes careless mistakes and lacks attention to details
    (Examples: overlooking or missing details or handing in work that’s inaccurate)
  • Often has difficulty paying attention to tasks or while playing
    (Examples: difficulty remaining focused during class, conversations, or lengthy readings)
  • Often seems to not listen when spoken to directly
    (Example: mind seems elsewhere, even in the absence of obvious distraction)
  • Often fails to follow through on instructions, schoolwork, or chores
    (Example: starts tasks but quickly loses focus and is easily sidetracked)
  • Often has difficulty organizing tasks and activities
    (Examples: messy, disorganized work; poor time management)
  • Often avoids, dislikes, or is reluctant to participate in tasks requiring sustained mental effort, like schoolwork or homework 
  • Often loses things like school materials or, if older, wallets, keys, eyeglasses, and mobile phones
  • Often easily distracted
  • Often forgetful in daily activities such as chores

Symptoms of Hyperactivity and Impulsivity

  • Often fidgets with or taps hands and feet or squirms in seat
  • Often leaves seat when remaining seated is expected
    (Example: leaves their place in the classroom or in other situations that require remaining seated)
  • Often runs or climbs where it is inappropriate or feels restless
  • Often unable to play quietly or, if older, struggles to participate in leisurely activities
  • Often acts as if "on the go" or “driven by a motor”
    (Example: is unable or uncomfortable being still for an extended time, as in restaurants) 
  • Often talks excessively
  • Often blurts out an answer before a question has been fully asked
    (Examples: completes people’s sentences, cannot wait for next turn in conversation)
  • Often has difficulty waiting his or her turn
    (Example: while waiting in line)
  • Often interrupts or intrudes on others
    (Examples: butts into conversations, games, or activities; may start using other people’s things without asking or receiving permission) 

Only a doctor or other health care professional can diagnose ADHD

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How ADHD May Appear in Different Settings

ADHD symptoms may affect children (ages 6–17) in school, at home, and/or in social situations.  Learn more about how ADHD is diagnosed.
At home

At Home

  • Fails to finish chores or homework
  • Loses things like homework, books, pencils, keys, eyeglasses, wallets, and mobile phones
  • Difficulty doing leisure activities quietly
At school

At School

  • Trouble getting organized (Examples: difficulty keeping materials and belongings in order, messy, poor time management skills)
  • Trouble sitting still
  • Fails to pay close attention to details or makes careless mistakes
Social situations

Social Situations

  • Difficulty waiting for their turn
  • Frequently interrupts or intrudes on others (Example: butts into conversations)
  • Talks excessively

Symptoms must occur often 

 

Please note: This is not a diagnostic tool. Only a health care professional can accurately diagnose and manage ADHD.

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ADHD Symptoms May Appear Differently Over Time

For some children, ADHD may go away as they get older. For others, though, it may not. If your child's ADHD does not go away, some ADHD symptoms may become more subtle and less noticeable—although they are just as important to identify. For example, symptoms of hyperactivity in children, such as climbing or running excessively, may appear in teens as fidgeting with their hands or feet and feeling restless. In addition, teens’ symptoms may include trouble with staying organized, paying attention, or an inner feeling of jitteriness or impatience. Teens may also continue to struggle with impulsivity.

While this is not a full list of symptoms, below is a listing of examples. Review the full list of ADHD symptoms and talk to the doctor.

Only a doctor or other health care professional can diagnose ADHD. 

Based on parent reports, 1 in every 2 children with adhd continued to experience adhd symptoms into adulthood

Examples of How ADHD Symptoms May Appear in Kids, Teens, and Adults

Kids (6–12) with ADHD

Inattention:
Kids may make careless mistakes in schoolwork, have difficulty remaining focused in class, and seem not to listen when spoken to directly.

Hyperactivity & Impulsivity:
Kids may often fidget or squirm, have trouble staying seated, have difficulty playing or working quietly, or blurt out answers in school.

Teens (13–17) with ADHD

Inattention:
Teens may avoid homework and may be easily distracted by many things, including unrelated thoughts.

Hyperactivity & Impulsivity:
Teens may feel restless, have difficulty waiting their turn, use other people’s things without asking, and intrude or take over what others are doing. 

Adults with ADHD

Inattention:
Adults may forget to keep appointments, pay bills, or return calls and avoid completing forms or reviewing paperwork.

Hyperactivity & Impulsivity:
Adults may feel restless, be uncomfortable being still, and frequently interrupt conversations or complete people’s sentences. 

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IMPORTANT SAFETY INFORMATION

Vyvanse is a federally controlled substance (CII) because it can be abused or lead to dependence. Keep Vyvanse in a safe place to prevent misuse and abuse. Selling or giving away Vyvanse may harm others and is against the law.

Vyvanse is a stimulant medicine. Tell the doctor if you or your child have ever abused or been dependent on alcohol, prescription medicines, or street drugs.

Who should not take Vyvanse?

Do not take Vyvanse if you or your child are:

  • taking or have taken an anti-depression medicine called a monoamine oxidase inhibitor (MAOI) within the past 14 days.
  • sensitive or allergic to, or had a reaction to other stimulant medicines.

Serious problems can occur while taking Vyvanse. Tell the doctor:

  • if you or your child have heart problems, heart defects, high blood pressure, or a family history of these problems. Sudden death has occurred in people with heart problems or defects taking stimulant medicines. Sudden death, stroke and heart attack have happened in adults taking stimulant medicines. Your doctor should check you or your child carefully for heart problems before starting Vyvanse. Since increases in blood pressure and heart rate may occur, the doctor should regularly check these during treatment. Call the doctor right away if you or your child have any signs of heart problems such as chest pain, shortness of breath, or fainting while taking Vyvanse.
  • if you or your child have mental (psychiatric) problems, or a family history of suicide, bipolar illness, or depression. New or worse behavior and thought problems or new or worse bipolar illness may occur. New psychotic symptoms (such as seeing or hearing things that are not real, believing things that are not true, being suspicious) or new manic symptoms may occur. Call the doctor right away if there are any new or worsening mental symptoms or problems during treatment.
  • if you or your child have circulation problems in fingers and toes (peripheral vasculopathy, including Raynaud’s phenomenon). Fingers or toes may feel numb, cool, painful, sensitive to temperature and/or change color from pale, to blue, to red. Call the doctor right away if any signs of unexplained wounds appear on fingers or toes while taking Vyvanse.
  • if your child is having slowing of growth (height or weight). The doctor should check your child’s height and weight often while on Vyvanse, and may stop treatment if a problem is found.
  • if you or your child have symptoms of serotonin syndrome: agitation, hallucinations, coma, or changes in mental status; problems controlling movements or muscle twitching, stiffness, or tightness; fast heartbeat; sweating or fever; nausea, vomiting or diarrhea. Call your doctor or go to the emergency room if symptoms occur. Serotonin syndrome may occur if Vyvanse is taken with certain medicines and may be life-threatening.
  • if you or your child are pregnant or plan to become pregnant. It is not known if Vyvanse may harm your unborn baby.
  • if you or your child are breastfeeding or plan to breastfeed. Do not breastfeed while taking Vyvanse. Talk to your doctor about the best way to feed your baby if you take Vyvanse.

What are possible side effects of Vyvanse?

The most common side effects of Vyvanse in ADHD include:

    • anxiety
    • decreased appetite
    • diarrhea
    • dizziness
    • dry mouth
    • irritability
    • loss of appetite
    • nausea
    • trouble sleeping
    • upper stomach pain
    • vomiting
    • weight loss

The most common side effects of Vyvanse in adults with moderate to severe B.E.D. include:

    • dry mouth
    • trouble sleeping
    • decreased appetite
    • increased heart rate
    • constipation
    • feeling jittery
    • anxiety

For additional safety information, click here for Prescribing Information and Medication Guide and discuss with your doctor.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.


  • if you or your child are pregnant or plan to become pregnant. It is not known if Vyvanse may harm your unborn baby.
  • if you or your child are pregnant or plan to become pregnant. It is not known if Vyvanse may harm your unborn baby.
  • if you or your child are pregnant or plan to become pregnant. It is not known if Vyvanse may harm your unborn baby.
  • if you or your child are pregnant or plan to become pregnant. It is not known if Vyvanse may harm your unborn baby.
  • if you or your child are pregnant or plan to become pregnant. It is not known if Vyvanse may harm your unborn baby.
  • if you or your child are pregnant or plan to become pregnant. It is not known if Vyvanse may harm your unborn baby.