Conditions by Category > Nervous System Diseases
- ACTH-Secreting Pituitary Adenoma (65)
- AIDS Dementia Complex (43)
- Abducens Nerve Diseases (3)
- Accessory Nerve Diseases (5)
- Accessory Nerve Injuries (4)
- Acromegaly (188)
- Acute Febrile Encephalopathy (1)
- Adrenoleukodystrophy (67)
- Agenesis of Corpus Callosum (17)
- Ageusia (14)
- Agnosia (214)
- Agraphia (6)
- Aicardi Syndrome (2)
- Akathisia, Drug-Induced (2)
- Akinetic Mutism (2)
- Alcohol Amnestic Disorder (1)
- Alcohol Withdrawal Delirium (10)
- Alcohol Withdrawal Seizures (4)
- Alcohol-Induced Disorders, Nervous System (12)
- Alcoholic Korsakoff Syndrome (1)
- Alcoholic Neuropathy (2)
- Alexander Disease (4)
- Alstrom Syndrome (6)
- Alzheimer Disease (3,207)
- Amaurosis Fugax (3)
- Amblyopia (144)
- Amnesia (144)
- Amnesia, Anterograde (2)
- Amnesia, Retrograde (1)
- Amnesia, Transient Global (6)
- Amyloid Neuropathies (52)
- Amyloid Neuropathies, Familial (46)
- Amyotrophic Lateral Sclerosis (991)
- Anencephaly (9)
- Angelman Syndrome (38)
- Anhedonia (103)
- Anisocoria (1)
- Anomia (37)
- Anosmia (83)
- Anti-N-Methyl-D-Aspartate Receptor Encephalitis (11)
- Aphasia (495)
- Aphasia, Broca (39)
- Aphasia, Conduction (1)
- Aphasia, Primary Progressive (281)
- Aphasia, Wernicke (2)
- Aphonia (3)
- Apraxia, Ideomotor (5)
- Apraxias (68)
- Arachnoid Cysts (1)
- Arachnoiditis (5)
- Argininosuccinic Aciduria (10)
- Arnold-Chiari Malformation (29)
- Arsenic Poisoning (13)
- Articulation Disorders (49)
- Ataxia (370)
- Ataxia Telangiectasia (47)
- Auditory Diseases, Central (30)
- Auditory Perceptual Disorders (26)
- Autoimmune Diseases of the Nervous System (3,447)
- Autonomic Dysreflexia (24)
- Autonomic Nervous System Diseases (821)
- Autosomal Emery-Dreifuss Muscular Dystrophy (1)
- Bardet-Biedl Syndrome (14)
- Basal Ganglia Diseases (4,297)
- Basal Ganglia Hemorrhage (6)
- Bell Palsy (91)
- Benign Paroxysmal Positional Vertigo (62)
- Bilateral Vestibulopathy (18)
- Blindness (299)
- Blindness, Cortical (3)
- Botulism (22)
- Brachial Plexus Neuritis (10)
- Brachial Plexus Neuropathies (31)
- Brain Abscess (19)
- Brain Concussion (515)
- Brain Contusion (9)
- Brain Damage, Chronic (1,325)
- Brain Death (81)
- Brain Diseases (27,214)
- Brain Diseases, Metabolic (1,232)
- Brain Diseases, Metabolic, Inborn (1,032)
- Brain Edema (100)
- Brain Hemorrhage, Traumatic (11)
- Brain Infarction (950)
- Brain Injuries (3,653)
- Brain Injuries, Diffuse (6)
- Brain Injuries, Traumatic (1,768)
- Brain Injury, Chronic (40)
- Brain Ischemia (1,389)
- Brain Neoplasms (2,568)
- Brain Stem Infarctions (32)
- Brain Stem Neoplasms (116)
- Brown-Sequard Syndrome (2)
- Bulbar Palsy, Progressive (2)
- Bulbo-Spinal Atrophy, X-Linked (21)
- CADASIL (29)
- CHARGE Syndrome (2)
- Canavan Disease (10)
- Carbamoyl-Phosphate Synthase I Deficiency Disease (10)
- Carotid Artery Diseases (505)
- Carotid Artery Injuries (5)
- Carotid Artery Thrombosis (1)
- Carotid Stenosis (309)
- Carotid-Cavernous Sinus Fistula (1)
- Carpal Tunnel Syndrome (406)
- Catalepsy (2)
- Cataplexy (50)
- Catatonia (14)
- Cauda Equina Syndrome (6)
- Causalgia (16)
- Cavernous Sinus Thrombosis (1)
- Central Cord Syndrome (7)
- Central Nervous System Bacterial Infections (174)
- Central Nervous System Cysts (3)
- Central Nervous System Diseases (31,013)
- Central Nervous System Fungal Infections (52)
- Central Nervous System Infections (823)
- Central Nervous System Neoplasms (2,638)
- Central Nervous System Vascular Malformations (60)
- Central Nervous System Viral Diseases (194)
- Cerebellar Ataxia (363)
- Cerebellar Diseases (281)
- Cerebellar Neoplasms (7)
- Cerebral Amyloid Angiopathy (27)
- Cerebral Amyloid Angiopathy, Familial (27)
- Cerebral Arterial Diseases (144)
- Cerebral Hemorrhage (371)
- Cerebral Hemorrhage, Traumatic (2)
- Cerebral Infarction (935)
- Cerebral Palsy (1,288)
- Cerebral Small Vessel Diseases (400)
- Cerebral Ventricle Neoplasms (29)
- Cerebral Ventriculitis (5)
- Cerebrospinal Fluid Leak (50)
- Cerebrospinal Fluid Rhinorrhea (2)
- Cerebrovascular Disorders (8,502)
- Cerebrovascular Trauma (23)
- Charcot-Marie-Tooth Disease (602)
- Charles Bonnet Syndrome (3)
- Chorea (242)
- Choroid Plexus Neoplasms (85)
- Chronic Traumatic Encephalopathy (21)
- Chronobiology Disorders (186)
- Citrullinemia (13)
- Classical Lissencephalies and Subcortical Band Heterotopias (1)
- Cluster Headache (99)
- Cockayne Syndrome (10)
- Coffin-Lowry Syndrome (1)
- Cogan Syndrome (7)
- Color Vision Defects (20)
- Coma (234)
- Coma, Post-Head Injury (4)
- Communication Disorders (960)
- Complex Regional Pain Syndromes (174)
- Confusion (1,022)
- Consciousness Disorders (543)
- Corneal Injuries (34)
- Corneal Perforation (4)
- Corticobasal Degeneration (42)
- Cranial Nerve Diseases (1,152)
- Cranial Nerve Injuries (50)
- Craniocerebral Trauma (2,723)
- Creutzfeldt-Jakob Syndrome (8)
- Cri-du-Chat Syndrome (2)
- Cubital Tunnel Syndrome (25)
- De Lange Syndrome (5)
- Deaf-Blind Disorders (40)
- Deafness (1,105)
- Delirium (1,163)
- Dementia (4,689)
- Dementia, Multi-Infarct (29)
- Dementia, Vascular (178)
- Demyelinating Autoimmune Diseases, CNS (2,921)
- Demyelinating Diseases (3,188)
- Dermatomyositis (125)
- Diabetic Neuropathies (1,328)
- Diffuse Axonal Injury (6)
- Diffuse Cerebral Sclerosis of Schilder (5)
- Diffuse Intrinsic Pontine Glioma (112)
- Diplopia (16)
- Disorders of Excessive Somnolence (214)
- Distal Myopathies (16)
- Down Syndrome (329)
- Drug Resistant Epilepsy (229)
- Duane Retraction Syndrome (1)
- Dwarfism, Pituitary (144)
- Dysarthria (55)
- Dysautonomia, Familial (12)
- Dyscalculia (6)
- Dysgeusia (43)
- Dyskinesia, Drug-Induced (62)
- Dyskinesias (2,769)
- Dyslexia (101)
- Dyslexia, Acquired (4)
- Dysphonia (144)
- Dyssomnias (4,587)
- Dystonia (345)
- Dystonia Musculorum Deformans (1)
- Dystonic Disorders (345)
- Embolic Stroke (55)
- Emergence Delirium (483)
- Empty Sella Syndrome (2)
- Encephalitis (333)
- Encephalitis, Herpes Simplex (4)
- Encephalitis, Japanese (77)
- Encephalitis, Tick-Borne (46)
- Encephalitis, Viral (169)
- Encephalocele (3)
- Encephalomalacia (27)
- Encephalomyelitis (216)
- Encephalomyelitis, Acute Disseminated (8)
- Encephalomyelitis, Autoimmune, Experimental (2)
- Encephalomyelitis, Eastern Equine (3)
- Encephalomyelitis, Equine (14)
- Encephalomyelitis, Venezuelan Equine (9)
- Encephalomyelitis, Western Equine (3)
- Eosinophilia-Myalgia Syndrome (1)
- Epidural Abscess (1)
- Epidural Neoplasms (4)
- Epilepsia Partialis Continua (4)
- Epilepsies, Myoclonic (78)
- Epilepsies, Partial (323)
- Epilepsy (1,948)
- Epilepsy, Absence (27)
- Epilepsy, Benign Neonatal (1)
- Epilepsy, Complex Partial (16)
- Epilepsy, Frontal Lobe (6)
- Epilepsy, Generalized (186)
- Epilepsy, Partial, Motor (4)
- Epilepsy, Post-Traumatic (13)
- Epilepsy, Reflex (12)
- Epilepsy, Rolandic (18)
- Epilepsy, Temporal Lobe (63)
- Epilepsy, Tonic-Clonic (20)
- Epileptic Syndromes (248)
- Esotropia (26)
- Essential Tremor (218)
- Esthesioneuroblastoma, Olfactory (66)
- Exotropia (46)
- Eye Burns (10)
- Eye Foreign Bodies (3)
- Eye Injuries (62)
- Eye Injuries, Penetrating (3)
- Fabry Disease (206)
- Facial Hemiatrophy (5)
- Facial Injuries (159)
- Facial Nerve Diseases (211)
- Facial Nerve Injuries (6)
- Facial Neuralgia (118)
- Facial Paralysis (91)
- Farber Lipogranulomatosis (2)
- Fasciculation (13)
- Fatigue Syndrome, Chronic (199)
- Femoral Neuropathy (9)
- Fibromyalgia (1,482)
- Focal Cortical Dysplasia (8)
- Fragile X Syndrome (91)
- Friedreich Ataxia (85)
- Frontotemporal Dementia (281)
- Frontotemporal Lobar Degeneration (267)
- Fucosidosis (9)
- Gait Apraxia (6)
- Gait Ataxia (8)
- Gait Disorders, Neurologic (277)
- Galactosemias (12)
- Gangliosidoses (38)
- Gangliosidoses, GM2 (25)
- Gangliosidosis, GM1 (18)
- Gaucher Disease (147)
- Giant Axonal Neuropathy (2)
- Giant Cell Arteritis (143)
- Glossopharyngeal Nerve Diseases (5)
- Glycogen Storage Disease Type II (148)
- Glycogen Storage Disease Type IIb (3)
- Glycogen Storage Disease Type VII (4)
- Growth Hormone-Secreting Pituitary Adenoma (6)
- Guillain-Barre Syndrome (62)
- Hallucinations (129)
- Hand-Arm Vibration Syndrome (1)
- Head Injuries, Closed (496)
- Head Injuries, Penetrating (7)
- Headache Disorders (1,657)
- Headache Disorders, Primary (1,381)
- Headache Disorders, Secondary (243)
- Hearing Disorders (1,339)
- Hearing Loss (1,105)
- Hearing Loss, Bilateral (69)
- Hearing Loss, Central (6)
- Hearing Loss, Conductive (65)
- Hearing Loss, Functional (3)
- Hearing Loss, High-Frequency (5)
- Hearing Loss, Mixed Conductive-Sensorineural (34)
- Hearing Loss, Noise-Induced (35)
- Hearing Loss, Sensorineural (388)
- Hearing Loss, Sudden (33)
- Hearing Loss, Unilateral (49)
- Hemangioma, Cavernous, Central Nervous System (14)
- Hematoma, Epidural, Cranial (16)
- Hematoma, Subdural (112)
- Hematoma, Subdural, Acute (5)
- Hematoma, Subdural, Chronic (72)
- Hematoma, Subdural, Intracranial (5)
- Hemianopsia (35)
- Hemifacial Spasm (23)
- Hemimegalencephaly (2)
- Hemiplegia (334)
- Hemorrhagic Stroke (180)
- Hepatic Encephalopathy (195)
- Hepatolenticular Degeneration (54)
- Hereditary Central Nervous System Demyelinating Diseases (105)
- Hereditary Sensory and Autonomic Neuropathies (15)
- Hereditary Sensory and Motor Neuropathy (602)
- Heredodegenerative Disorders, Nervous System (1,669)
- Herpes Zoster Oticus (2)
- Hippocampal Sclerosis (6)
- Hoarseness (140)
- Holoprosencephaly (5)
- Homocystinuria (15)
- Horner Syndrome (6)
- Huntington Disease (239)
- Hydranencephaly (1)
- Hydrocephalus (187)
- Hydrocephalus, Normal Pressure (66)
- Hyperacusis (18)
- Hyperalgesia (214)
- Hyperargininemia (10)
- Hyperekplexia (4)
- Hyperesthesia (1)
- Hyperglycinemia, Nonketotic (3)
- Hyperkinesis (1,373)
- Hyperprolactinemia (36)
- Hypertensive Encephalopathy (9)
- Hypesthesia (47)
- Hypoglossal Nerve Diseases (1)
- Hypokalemic Periodic Paralysis (3)
- Hypokinesia (115)
- Hypopituitarism (187)
- Hypotension, Orthostatic (153)
- Hypothalamic Diseases (650)
- Hypothalamic Neoplasms (143)
- Hypoxia, Brain (209)
- Hypoxia-Ischemia, Brain (160)
- Idiopathic Hypersomnia (29)
- Illusions (22)
- Inappropriate ADH Syndrome (24)
- Infarction, Anterior Cerebral Artery (6)
- Infarction, Middle Cerebral Artery (47)
- Infarction, Posterior Cerebral Artery (3)
- Infectious Encephalitis (184)
- Infratentorial Neoplasms (137)
- Insomnia, Fatal Familial (2)
- Intellectual Disability (1,007)
- Intracranial Aneurysm (343)
- Intracranial Arterial Diseases (697)
- Intracranial Arteriosclerosis (204)
- Intracranial Arteriovenous Malformations (38)
- Intracranial Embolism (57)
- Intracranial Embolism and Thrombosis (55)
- Intracranial Hemorrhage, Hypertensive (19)
- Intracranial Hemorrhage, Traumatic (117)
- Intracranial Hemorrhages (934)
- Intracranial Hypertension (180)
- Intracranial Hypotension (12)
- Intracranial Thrombosis (29)
- Isaacs Syndrome (2)
- Ischemic Attack, Transient (290)
- Ischemic Stroke (2,103)
- Jaw Fractures (45)
- Jet Lag Syndrome (14)
- Kearns-Sayre Syndrome (9)
- Kernicterus (8)
- Kleine-Levin Syndrome (3)
- Korsakoff Syndrome (6)
- Lafora Disease (3)
- Lambert-Eaton Myasthenic Syndrome (25)
- Landau-Kleffner Syndrome (3)
- Language Development Disorders (75)
- Language Disorders (822)
- Laryngeal Nerve Injuries (10)
- Lateral Sinus Thrombosis (1)
- Laurence-Moon Syndrome (14)
- Learning Disabilities (183)
- Leigh Disease (17)
- Lennox Gastaut Syndrome (56)
- Lesch-Nyhan Syndrome (5)
- Lethargy (7)
- Leukodystrophy, Globoid Cell (27)
- Leukodystrophy, Metachromatic (44)
- Leukoencephalopathies (338)
- Leukoencephalopathy, Progressive Multifocal (25)
- Leukomalacia, Periventricular (33)
- Lewy Body Disease (176)
- Limbic Encephalitis (3)
- Lingual Nerve Injuries (3)
- Lissencephaly (4)
- Locked-In Syndrome (16)
- Lupus Vasculitis, Central Nervous System (7)
- Lyme Neuroborreliosis (14)
- MELAS Syndrome (20)
- MERRF Syndrome (3)
- Machado-Joseph Disease (36)
- Malaria, Cerebral (15)
- Malformations of Cortical Development (123)
- Malformations of Cortical Development, Group II (6)
- Mandibular Fractures (44)
- Mandibular Injuries (4)
- Mandibular Nerve Injuries (7)
- Mania (284)
- Maple Syrup Urine Disease (9)
- Maxillary Fractures (4)
- Maxillofacial Injuries (86)
- Medial Tibial Stress Syndrome (10)
- Median Neuropathy (398)
- Megalencephaly (7)
- Meige Syndrome (3)
- Memory Disorders (232)
- Meningeal Carcinomatosis (69)
- Meningeal Neoplasms (246)
- Meningioma (240)
- Meningitis (439)
- Meningitis, Aseptic (6)
- Meningitis, Bacterial (159)
- Meningitis, Cryptococcal (49)
- Meningitis, Fungal (50)
- Meningitis, Meningococcal (113)
- Meningitis, Pneumococcal (5)
- Meningitis, Viral (7)
- Meningocele (6)
- Meningoencephalitis (20)
- Meningomyelocele (51)
- Menkes Kinky Hair Syndrome (7)
- Mental Retardation, X-Linked (303)
- Mevalonate Kinase Deficiency (4)
- Microcephaly (25)
- Microscopic Polyangiitis (60)
- Migraine Disorders (1,370)
- Migraine with Aura (100)
- Migraine without Aura (102)
- Miller Fisher Syndrome (2)
- Miosis (24)
- Mitochondrial Encephalomyopathies (27)
- Mitochondrial Myopathies (67)
- Mixed Dementias (22)
- Mobius Syndrome (4)
- Mononeuropathies (609)
- Morton Neuroma (23)
- Motor Neuron Disease (991)
- Movement Disorders (5,010)
- Moyamoya Disease (40)
- Mucolipidoses (13)
- Mucopolysaccharidosis II (76)
- Multiple Sclerosis (2,889)
- Multiple Sclerosis, Chronic Progressive (217)
- Multiple Sclerosis, Relapsing-Remitting (596)
- Multiple Sulfatase Deficiency Disease (2)
- Multiple System Atrophy (169)
- Muscle Cramp (393)
- Muscle Hypertonia (585)
- Muscle Hypotonia (88)
- Muscle Rigidity (185)
- Muscle Spasticity (888)
- Muscle Weakness (960)
- Muscular Atrophy (1,233)
- Muscular Atrophy, Spinal (245)
- Muscular Diseases (5,552)
- Muscular Disorders, Atrophic (680)
- Muscular Dystrophies (649)
- Muscular Dystrophies, Limb-Girdle (55)
- Muscular Dystrophy, Duchenne (377)
- Muscular Dystrophy, Emery-Dreifuss (3)
- Muscular Dystrophy, Facioscapulohumeral (56)
- Muscular Dystrophy, Oculopharyngeal (12)
- Mutism (21)
- Myalgia (341)
- Myasthenia Gravis (191)
- Myasthenia Gravis, Autoimmune, Experimental (2)
- Myasthenia Gravis, Neonatal (1)
- Myasthenic Syndromes, Congenital (13)
- Myelitis (369)
- Myelitis, Transverse (119)
- Myoclonic Epilepsies, Progressive (10)
- Myoclonic Epilepsy, Juvenile (2)
- Myoclonus (35)
- Myokymia (1)
- Myopathies, Nemaline (5)
- Myopathies, Structural, Congenital (18)
- Myopathy, Central Core (1)
- Myositis (274)
- Myositis, Inclusion Body (43)
- Myotonia (18)
- Myotonia Congenita (7)
- Myotonic Disorders (86)
- Myotonic Dystrophy (83)
- Myotoxicity (6)
- Narcolepsy (124)
- Nelson Syndrome (2)
- Neonatal Brachial Plexus Palsy (12)
- Nerve Compression Syndromes (602)
- Nerve Sheath Neoplasms (398)
- Nervous System Malformations (542)
- Nervous System Neoplasms (3,140)
- Neural Tube Defects (188)
- Neuralgia (1,419)
- Neuralgia, Postherpetic (183)
- Neuritis (232)
- Neuroacanthocytosis (1)
- Neuroaspergillosis (1)
- Neuroaxonal Dystrophies (17)
- Neurobehavioral Manifestations (4,781)
- Neurocutaneous Syndromes (395)
- Neurocysticercosis (28)
- Neurocytoma (5)
- Neurodegenerative Diseases (9,248)
- Neurofibroma (280)
- Neurofibroma, Plexiform (63)
- Neurofibromatoses (302)
- Neurofibromatosis 1 (255)
- Neurofibromatosis 2 (55)
- Neurofibrosarcoma (92)
- Neurogenic Inflammation (12)
- Neuroinflammatory Diseases (1,165)
- Neuroleptic Malignant Syndrome (21)
- Neurologic Manifestations (30,460)
- Neuroma, Acoustic (101)
- Neuromuscular Diseases (7,794)
- Neuromuscular Junction Diseases (211)
- Neuromuscular Manifestations (2,501)
- Neuromyelitis Optica (113)
- Neuronal Ceroid-Lipofuscinoses (45)
- Neurosyphilis (4)
- Neurotoxicity Syndromes (244)
- Nevus, Sebaceous of Jadassohn (5)
- Niemann-Pick Disease, Type A (61)
- Niemann-Pick Disease, Type B (3)
- Niemann-Pick Disease, Type C (61)
- Niemann-Pick Diseases (61)
- Nocturnal Myoclonus Syndrome (6)
- Nodding Syndrome (4)
- Nystagmus, Congenital (4)
- Nystagmus, Pathologic (35)
- Obesity Hypoventilation Syndrome (58)
- Ocular Motility Disorders (371)
- Oculocerebrorenal Syndrome (6)
- Oculomotor Nerve Diseases (8)
- Olfaction Disorders (90)
- Olfactory Nerve Diseases (19)
- Olfactory Nerve Injuries (2)
- Olivopontocerebellar Atrophies (3)
- Ophthalmoplegia (141)
- Ophthalmoplegia, Chronic Progressive External (12)
- Opsoclonus-Myoclonus Syndrome (6)
- Optic Atrophies, Hereditary (47)
- Optic Atrophy (59)
- Optic Atrophy, Autosomal Dominant (6)
- Optic Atrophy, Hereditary, Leber (37)
- Optic Disk Drusen (4)
- Optic Nerve Diseases (426)
- Optic Nerve Glioma (19)
- Optic Nerve Hypoplasia (4)
- Optic Nerve Injuries (20)
- Optic Nerve Neoplasms (21)
- Optic Neuritis (178)
- Optic Neuropathy, Ischemic (49)
- Orbital Fractures (17)
- Ornithine Carbamoyltransferase Deficiency Disease (29)
- Orthostatic Intolerance (321)
- POEMS Syndrome (11)
- Pain Insensitivity, Congenital (4)
- Pallister-Hall Syndrome (1)
- Pantothenate Kinase-Associated Neurodegeneration (13)
- Papilledema (29)
- Papilloma, Choroid Plexus (1)
- Paralysis (2,501)
- Paralysis, Hyperkalemic Periodic (4)
- Paraneoplastic Polyneuropathy (1)
- Paraneoplastic Syndromes, Nervous System (222)
- Paraparesis (38)
- Paraparesis, Spastic (23)
- Paraparesis, Tropical Spastic (25)
- Paraplegia (148)
- Parasomnias (4,846)
- Paresis (957)
- Paresthesia (45)
- Parkinson Disease (3,633)
- Parkinson Disease, Secondary (12)
- Parkinsonian Disorders (3,678)
- Paroxysmal Hemicrania (3)
- Pelizaeus-Merzbacher Disease (7)
- Pentalogy of Cantrell (3)
- Perceptual Disorders (535)
- Peripheral Nerve Injuries (76)
- Peripheral Nervous System Diseases (3,953)
- Peripheral Nervous System Neoplasms (331)
- Periventricular Nodular Heterotopia (2)
- Peroneal Neuropathies (32)
- Persistent Vegetative State (56)
- Phantom Limb (130)
- Phenylketonuria, Maternal (4)
- Phenylketonurias (149)
- Photophobia (35)
- Pick Disease of the Brain (281)
- Pinealoma (72)
- Piriformis Muscle Syndrome (21)
- Pituitary ACTH Hypersecretion (62)
- Pituitary Diseases (858)
- Pituitary Neoplasms (207)
- Pneumocephalus (3)
- Poliomyelitis (289)
- Polymicrogyria (5)
- Polymyositis (127)
- Polyneuropathies (529)
- Polyradiculoneuropathy (148)
- Polyradiculoneuropathy, Chronic Inflammatory Demyelinating (86)
- Polyradiculopathy (3)
- Porencephaly (3)
- Post-Cardiac Arrest Syndrome (25)
- Post-Concussion Syndrome (136)
- Post-Dural Puncture Headache (91)
- Post-Exercise Hypotension (21)
- Post-Traumatic Headache (119)
- Posterior Leukoencephalopathy Syndrome (8)
- Postpoliomyelitis Syndrome (25)
- Postural Orthostatic Tachycardia Syndrome (106)
- Prader-Willi Syndrome (124)
- Presbycusis (50)
- Primary Dysautonomias (821)
- Primary Progressive Nonfluent Aphasia (17)
- Prion Diseases (12)
- Prolactinoma (25)
- Prosopagnosia (3)
- Pseudotumor Cerebri (35)
- Psychogenic Nonepileptic Seizures (24)
- Psychomotor Agitation (652)
- Psychomotor Disorders (510)
- Pudendal Neuralgia (12)
- Pupil Disorders (58)
- Pure Autonomic Failure (68)
- Pyomyositis (2)
- Pyruvate Carboxylase Deficiency Disease (1)
- Pyruvate Dehydrogenase Complex Deficiency Disease (5)
- Quadriplegia (185)
- REM Sleep Behavior Disorder (65)
- REM Sleep Parasomnias (62)
- Radial Neuropathy (7)
- Radiculopathy (357)
- Recurrent Laryngeal Nerve Injuries (9)
- Reflex Sympathetic Dystrophy (174)
- Reflex, Abnormal (18)
- Refsum Disease (9)
- Refsum Disease, Infantile (4)
- Respiratory Paralysis (32)
- Restless Legs Syndrome (227)
- Rett Syndrome (76)
- Rubinstein-Taybi Syndrome (4)
- Sagittal Sinus Thrombosis (1)
- Sandhoff Disease (21)
- Sarcoglycanopathies (7)
- Sarcopenia (840)
- Sciatic Neuropathy (119)
- Sciatica (132)
- Scotoma (19)
- Seizures (1,201)
- Seizures, Febrile (19)
- Sensation Disorders (2,525)
- Sepsis-Associated Encephalopathy (16)
- Septo-Optic Dysplasia (3)
- Shaken Baby Syndrome (8)
- Shy-Drager Syndrome (169)
- Sialic Acid Storage Disease (1)
- Sinus Thrombosis, Intracranial (18)
- Skull Fractures (80)
- Sleep Apnea Syndromes (2,581)
- Sleep Apnea, Central (78)
- Sleep Apnea, Obstructive (2,010)
- Sleep Arousal Disorders (7)
- Sleep Bruxism (42)
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