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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Decreased concentration

Introduction

Overview

Overview

Inattention is a failure to pay close attention to details or making careless mistakes when doing work or other activities, trouble keeping attention focused during tasks, appearing not to listen when spoken to, failure to follow instructions or finish tasks, avoiding tasks that require a high amount of mental effort and organization, such as projects, frequently losing items required to facilitate tasks or activities, such as supplies, excessive distractibility, forgetfulness, procrastination i.e. inability to begin an activity, difficulties with activities (cleaning, administrative, etc.), difficulty falling asleep which may be due to too many thoughts at night, frequent emotional outbursts, easily frustrated, and easily distracted.

Causes

Causes

Common Causes

Causes by Organ System

Cardiovascular Potocki-Lupski syndrome, Zunich-Kaye syndrome, Williams syndrome
Chemical / poisoning Pfiesteria poisoning
Dermatologic Zunich-Kaye syndrome, Global developmental delay-osteopenia-ectodermal defect
Drug Side Effect Drug abuse, Nabilone
Ear Nose Throat No underlying causes
Endocrine Addison’s disease
Environmental No underlying causes
Gastroenterologic No underlying causes
Genetic Aarskog syndrome, Chromosome 2p16.1-p15 deletion syndrome, Huntington’s disease, Smith-Magenis syndrome, Zunich-Kaye syndrome, Potocki-Lupski syndrome
Hematologic No underlying causes
Iatrogenic Central pontine myelinosis
Infectious Disease No underlying causes
Musculoskeletal / Ortho Potocki-Lupski syndrome, Williams syndrome, Aarskog syndrome, Global developmental delay-osteopenia-ectodermal defect, Smith-Magenis syndrome, Fetal alcohol syndrome
Neurologic Central pontine myelinosis, Global developmental delay-osteopenia-ectodermal defect, Multiple sclerosis, Pick’s disease, Schilder’s disease, Huntington’s disease, Smith-Magenis syndrome, Williams syndrome, Fetal alcohol syndrome, PANDAS, WAGR syndrome, Zunich-Kaye syndrome
Nutritional / Metabolic No underlying causes
Obstetric/Gynecologic Fetal alcohol syndrome
Oncologic WAGR syndrome
Opthalmologic Zunich-Kaye syndrome, WAGR syndrome
Overdose / Toxicity No underlying causes
Psychiatric Attention deficit disorder, Anxiety, Attention deficit and disruptive behavior disorders, Attention deficit hyperactivity disorder, Autism, Bipolar disorder, Chronic fatigue syndrome, Depression, Learning disabilities, Oppositional defiant disorder, Chromosome 2p16.1-p15 deletion syndrome, Schilder’s disease, Aarskog syndrome
Pulmonary Sleep apnea, Potocki-Lupski syndrome
Renal / Electrolyte WAGR syndrome
Rheum / Immune / Allergy PANDAS, Multiple sclerosis
Sexual Aarskog syndrome
Trauma Mild traumatic brain injury
Urologic WAGR syndrome
Dental No underlying causes
Miscellaneous Alcohol abuse, Cocaine abuse, Drug abuse, Narcolepsy, Sleep deprivation

Causes in Alphabetical Order

References

References

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]