Predominantly Inattentive ADHD is characterized by persistent difficulties with attention, organization, and task completion, without prominent hyperactive or impulsive symptoms.

Symptoms:

• Difficulty sustaining attention during tasks or conversations

• Frequent distraction by external stimuli or unrelated thoughts

• Forgetfulness in daily activities and responsibilities

• Difficulty organizing tasks, schedules, or personal belongings

• Frequently losing or misplacing important items

• Avoidance of tasks requiring sustained mental effort

• Difficulty following instructions or completing tasks

• Frequent careless mistakes or overlooking details

Predominantly Hyperactive-Impulsive ADHD is characterized by persistent patterns of physical restlessness, impulsive behaviour, and difficulty regulating activity levels or behavioural responses.

Symptoms:

• Frequent fidgeting, restlessness, or difficulty remaining seated

• Excessive talking or difficulty regulating speech

• Interrupting conversations or speaking before others have finished

• Difficulty waiting for one's turn

• Acting impulsively without considering consequences

• Feeling internally restless or constantly needing stimulation

• Difficulty engaging in quiet or sedentary activities

• Intruding on others' activities or conversations

Combined ADHD involves clinically significant symptoms of both inattention and hyperactivity-impulsivity, affecting multiple areas of everyday functioning.

Symptoms:

• Difficulty maintaining concentration and completing tasks

• Frequent restlessness, fidgeting, or excessive activity

• Impulsive decision-making or interrupting others

• Challenges with organization, planning, and time management

• Frequent forgetfulness or losing important belongings

• Difficulty regulating attention and behavioural responses

• Trouble following through on responsibilities or commitments

• Difficulty waiting, remaining still, or managing distractions