The Three Types of ADHD: Inattentive, Hyperactive-Impulsive, and Combined

What Is ADHD?

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental condition characterized by distinct presentations that shape how it manifests in individuals. Even though ADHD is predominantly known as a childhood disorder, it is increasingly recognized that Adults can experience similar problems. ADHD symptoms can grow with the individual and change throughout a lifetime, according to the CDC [1].

ADHD expresses itself in three distinct types—inattentive, hyperactive-impulsive, and combined—each variety represents a particular combination of attention, activity, and impulsivity. Exploring these differences provides valuable insights into the various experiences of persons with ADHD. Going through the proper diagnosis process and consultations with Medical Professionals can help create tailored methods for managing the symptoms of each type of ADHD.

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ADHD Combined Type

ADHD Combined Type, as the name suggests, is characterized by the presence of both inattentive and hyperactive-impulsive symptoms. This subtype is often referred to as the most common form of ADHD. Individuals with ADHD Combined Type exhibit a diverse range of behaviors that encompass difficulties in sustaining attention, hyperactivity, and impulsivity.

• Inattention:
  • Similar to ADHD Inattentive Type, individuals with the combined subtype struggle with sustaining attention on tasks, leading to mistakes and incomplete work.
  • They may be easily distracted, forgetful, and have difficulty following instructions.
• Hyperactivity:
  • Individuals with ADHD Combined Type also display hyperactive behaviors such as restlessness, fidgeting, and difficulty remaining seated for extended periods.
  • They may engage in excessive physical activity, often appearing as if “driven by a motor.”
• Impulsivity:
  • Impulsivity is a notable aspect of this subtype, involving hasty decision-making, difficulty waiting for turns, and a tendency to act without considering the consequences.
• Talkativeness:
  • Excessive talking, impulsively interrupting conversations, and struggling with turn-taking in communication are common traits of the combined subtype.
• Difficulty Engaging in Quiet Activities:
  • Like ADHD Hyperactive-Impulsive Type, individuals with the combined subtype find it challenging to engage in tasks that require sustained concentration or quiet environments.
• Organization and Time Management Issues:
  • Individuals may experience organization and time management difficulties, leading to a messy living or working environment and procrastination.
• Lack of Attention to Detail:
  • Inattention may contribute to a lack of attention to detail, affecting the quality and accuracy of work in tasks requiring precision.
• Academic and Social Challenges:
  • The combined presentation often results in academic challenges due to difficulties with focus, completing assignments, and following instructions.
  • Social interactions may also be impacted, as impulsive behavior and difficulty with turn-taking can affect relationships.

Three Types of ADHD and Their Symptoms Compared

Attention Deficit Hyperactivity Disorder symptoms display in myriad forms for different people. While inattention, hyperactivity, and impulsivity are the three core features of the disorder, the prevalence and intensity of symptoms can vary greatly. There are three distinct types of Attention Deficit Hyperactivity Disorder shown in the below table.

Chart of the Three distinct types of Attention Deficit Hyperactivity Disorders

ADHD Symptoms	Inattention is a prominent feature.	(2) Predominantly Hyperactive-Impulsive ADHD	(3) Combined Presentation ADHD
Inattention	Attention span varies from person to person.	This is a dominant symptom.	Inattension is a prominent feature.
Hyperactivity-Impulsivity	Hyperactivity is less noticeable or absent	Hyperactivity is dominant symptom	Both hyperactivity and impulsivity are prominent
Sustained Attention	Poor attention span	Generally good attention span	This is a Dominant symptom.
Hyperactivity	Often calm and sluggish	Always active and restless	Can vary from person to person.
Impulsivity	Less impulsive actions	Highly impulsive actions	Impulsive actions vary from person to person.
Task Completion	Difficulty staying on task	May complete tasks quickly, but with errors	Task completion varies from person to person.
Organization Skills	Poor organizational abilities	May struggle with organization	Organizational abilities vary from person to person.
Work Output	Inconsistent productivity compared to others	May rush through tasks	Productivity may vary from person to person.
Classroom Behavior	Daydreaming, missing details	Fidgeting, talking too much, versus paying attention to teachers	Class behavior can vary from student to student.
Social Interaction	Lower risk of injury	Poor interaction: may interrupt or be seen as disruptive	Social interaction can vary from person to person.
Risk of Injury	Lower risk of imjury	Higher risk of injury due to impulsive behaviors	The risk of injury can vary from person to person.

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How is ADHD Diagnosed?

Diagnosing ADHD is a thorough process led by healthcare professionals. They delve into the individual’s history, behaviors, and family background through a comprehensive clinical interview. Assessments and questionnaires, administered in different settings like home and school, provide a multifaceted view of symptoms. A medical examination helps eliminate other potential causes, considering factors like prenatal history and family background. Collaborating with teachers for school observations adds valuable insights. The diagnosis rules out other conditions, evaluates symptom duration and severity, and assesses the impact on daily life. It’s not a one-size-fits-all test but a nuanced evaluationn that guides the development of personalized management strategies.

Chart of Clinical Methods of ADHD Diagnosis

ADHD Diagnosis	ADHD Assessments
Clinical Interview	In-depth conversation with a mental health clinician to gather information about the individual’s history, symptoms, and family background.
Diagnostic Criteria (DSM)	Clinicians reference DSM-5 criteria, outlining ADHD symptoms and their duration to establish an ADHD diagnosis.
Behavioral Developmental Assessments	The application of standardized questionnaires can help better assess behavior in different settings, offering a more comprehensive view of the patient’s ADHD symptoms.
Medical Exam	A physical examination can help rule out other causes for ADHD symptoms that might be secondary due to other medical conditions.
Prior History	Along with a medical exam, one’s medical history may help rule out other causes of ADHD signs that might be secondary to other medical ailments.
School Observations	Likewise, observation plus input from others like family, teachers, and mentors can help estimate the effect of ADHD symptoms on educational performance plus social interactions.
Rule Out Other Ailments	Your clinical specialist may also need to evaluate the potential of other conditions like learning disabilities or mood disorders that may explain what appears like ADHD signs.
Duration Severity Assessment	An Evaluation of the duration, frequency, and severity of symptoms can help determine if these meet the criteria for an ADHD diagnosis.
Multimodal Assessment	Combining multiple comprehensive considerations and information from different sources, settings, and assessments can help indicate symptoms of ADHD.

The primary components of ADHD treatment are reflected in the table below.

Treatment Method	Description
Behavioral Therapy	Involves modifying and reinforcing positive behaviors, teaching coping strategies, and improving organizational skills.
Counseling/Psychoeducation	Provides understanding, coping strategies, and emotional support for individuals and families dealing with ADHD.
Parental Training	Equips parents with effective strategies for managing and supporting a child with ADHD, fostering a structured environment.
Educational Interventions	In-school accommodations, such as extra time for assignments, help create a supportive learning environment.
Medication	Stimulant and non-stimulant medications, like methylphenidate and atomoxetine, can improve attention and focus.
Lifestyle Modifications	Emphasizes regular exercise, balanced diet, and sufficient sleep for overall well-being and symptom management.
Support Groups	Emphasizes regular exercise, a balanced diet, and sufficient sleep for overall well-being and symptom management.
Mindfulness Techniques	Practices like meditation and stress reduction contribute to improved focus, self-awareness, and stress management.
Continuous Monitoring	Regular assessment allows for adjustments to treatment plans based on individual responses and evolving needs.

ADD vs ADHD Symptoms (855) 940-6125 Causes & Treatment. Risk Factors. How to Cope & Find Support.

In this video, we delve into the differences between ADD (Attention Deficit Disorder) and ADHD (Attention Deficit Hyperactivity Disorder). It will also go into the causes and treatments available for ADHD. Living with ADD or ADHD can be challenging, but there are ways to cope and manage symptoms. These may include medication, therapy, and developing strategies for improving focus and organization. With the proper support and resources, those living with ADD or ADHD can learn to manage their symptoms and lead fulfilling lives. Call the We Level Up Treatment Centers and discover how we can help you or a loved one today.