Central Nervous System Adverse Reactions

Reaction 
Abnormal dreams (66)
Acute disseminated encephalomyelopathy (4)
Ageusia (taste loss) / taste disorder (58)
Aggression (includes anger) (45)
Agitation (142)
Akathisia (58)
Akinetic mutism / mutism (2)
Allodynia (3)
Altered mental status (8)
Amnesia (82)
Amyloid-related imaging abnormalities (ARIA) (1)
Amyotrophic lateral sclerosis (2)
Anorexia (303)
Anorgasmia (12)
Anosmia (smell loss) / smell disorder (see also hyposmia) (19)
Antibiomania / antimicrobial-induced mania (see mania)
Antiphospholipid antibody syndrome (7)
Anxiety (270)
Apathy (1)
Aphasia (13)
Arachnoiditis (6)
Aseptic meningitis (40)
Attention disturbances (3)
Balance disorder (18)
Behavioral disturbances / personality changes (26)
Bell's palsy (facial palsy) (see also cranial neuropathy) (4)
Bradykinesia (8)
Bradyphrenia (1)
Brain abscess (1)
Brain atrophy / cerebral atrophy / cerebellar atrophy (4)
Brainstem dysgenesis (2)
Carotid artery dissection (1)
Carotidynia / Fay syndrome / Transient Perivascular Inflammation of the Carotid artery (TIPIC) syndrome (2)
Carpal tunnel syndrome (5)
Cataplexy (4)
Catatonia (24)
Central pontine myelinolysis (1)
Cerebellar degeneration (1)
Cerebellar syndrome (6)
Cerebral edema / brain edema (10)
Cerebral hemorrhage (29)
Cerebral infarction (see stroke)
Cerebral ischemia (13)
Cerebral pseudoprogression
Cerebral vasculitis (angiitis) (3)
Cerebral venous sinus thrombosis (includes cavernous sinus thrombosis) (6)
Cerebrovascular accident (26)
Cerebrovascular adverse effect (3)
Chiasmal neuritis (1)
Chills (208)
Chorea (10)
Choreoathetosis (9)
CNS adverse reaction (3)
CNS depression (3)
Cognitive impairment (62)
Cold allodynia / cold sensitivity / cold intolerance (1)
Coma (45)
Coma, myxedema (see myxedema coma under 'Endocrine/Metabolic')
Compulsions / obsessive-compulsive symptoms (29)
Confusion (170)
Cranial neuritis
Cranial neuropathy (5)
Decreased consciousness (22)
Delirium (107)
Delusions (15)
Delusions of parasitosis (6)
Dementia (12)
Demyelinating neuropathy / demyelination (11)
Demyelination
Depersonalization (8)
Depression (319)
Disorientation (22)
Dissociation (psychology) (1)
Disulfiram-like reaction (6)
Dysarthria (42)
Dysesthesia (42)
Dysgeusia (taste perversion) (454)
Dyskinesia (64)
Dysphasia (8)
Dysphemia (see stuttering)
Dysphoria (15)
Emotional lability (18)
Encephalitis (24)
Encephalomyelitis (2)
Encephalopathy (includes hepatic encephalopathy) (117)
Epilepsy (2)
Euphoria / elation (33)
Extrapyramidal symptoms (40)
Fainting (see syncope)
Fall (16)
Fetal hydantoin syndrome (1)
Fever (pyrexia) (includes hyperpyrexia) (617)
Forehead swelling (1)
Gait instability / postural instability (80)
Guillain-Barré syndrome / acute inflammatory demyelinating polyradiculoneuropathy (40)
Hallucinations (159)
Hallucinations, auditory (53)
Hallucinations, olfactory (2)
Hallucinations, visual (see also Charles Bonnet syndrome) (114)
Headache (1097)
Horner's syndrome (1)
Hostility (11)
Hyperactivity (21)
Hyperalgesia (16)
Hyperesthesia (87)
Hyperkinesia (2)
Hypersexuality (7)
Hypersomnia (12)
Hyperthermia (see also pyrexia / hyperpyrexia) (19)
Hypervigilance (1)
Hypoesthesia (numbness) (79)
Hypogeusia (6)
Hypokinesia (11)
Hypomania (14)
Hyporeflexia (3)
Hyposmia / smell disorder (see also anosmia) (5)
Hyposomnia (2)
Hypothermia (21)
Impaired concentration (45)
Impulse control disorder (15)
Incoordination (23)
Insomnia (436)
Intracranial hemorrhage (40)
Intracranial pressure decreased (2)
Intracranial pressure increased (intracranial hypertension) (see also pseudotumor cerebri) (19)
Intraventricular hemorrhage (4)
Irritability (107)
Ischemic injury (1)
Ischemic stroke (14)
Jittery feelings (1)
Leukoencephalopathy / posterior reversible encephalopathy syndrome (PRES) (91)
Loss of consciousness (2)
Malaise (10)
Malignant hyperthermia (7)
Mania (79)
Meige's syndrome (3)
Memory loss/memory impaired (54)
Meningococcal infection (17)
Meningoencephalitis (5)
Meningoradiculitis (1)
Mental status changes (4)
Migraine (56)
Mood changes (includes mood disorder) (79)
Movement disorder(s) (7)
Multiple sclerosis (10)
Myelitis / myeloradiculitis (9)
Myelo-optic-neuropathy (2)
Myelopathy (see also necrotizing myelopathy / necrotic myelopathy / subacute necrotic myelopathy) (3)
Myokymia
Myokymia / twitching (31)
Myxedema coma (see myxedema coma under 'Endocrine/Metabolic')
Narcolepsy (4)
Narcosis (2)
Necrotizing myelopathy / necrotic myelopathy / subacute necrotic myelopathy (2)
Nerve dysfunction (3)
Nervousness (84)
Neuritis (1)
Neuroleptic malignant syndrome (61)
Neurological adverse effect (9)
Neuromyelitis optica (5)
Neuromyopathy (1)
Neuropathy (10)
Neuropsychiatric / neuropsychological adverse effect (25)
Neurotoxicity (325)
Nightmares (42)
Noctambulism (see somnambulism)
Notalgia paresthetica (1)
Numbness
Orbitocranial inflammation (1)
Oro-bucco-lingual dyskinesia / masticatory dyskinesia (see tardive syndrome / tardive dyskinesia)
Othello syndrome (3)
Pain (294)
Palinopsia / visual perseveration (4)
Panic attack (20)
Paralysis / paraplegia (23)
Paraneoplastic neurological syndromes (3)
Paranoia (27)
Parasomnia (see the sleep-related adverse reactions)
Paresis (8)
Paresthesias (487)
Parkinsonism (92)
Parosmia (43)
Parsonage-Turner syndrome (PTS) (brachial plexopathy; neuralgic amyotrophy) (5)
Pavor nocturnus (1)
Perceptual disturbance (1)
Perioral paresthesias (5)
Peripheral neuropathy (157)
Periventricular leukomalacia (2)
Posterior reversible encephalopathy syndrome (PRES) (see leukoencephalopathy)
Presyncope (6)
Primary central nervous system lymphoma (PCNSL) (2)
Pseudohallucinations (5)
Pseudoparkinsonism (1)
Pseudotumor cerebri (see also intracranial hypertension) (28)
Psychiatric adverse effect (14)
Psychomotor impairment (8)
Psychosis (146)
Punding (3)
Rabbit syndrome (10)
Restless legs syndrome / Willis-Ekbom disease (43)
Restlessness (67)
Reversible cerebral vasoconstriction syndrome (RCVS) (15)
Rigors (56)
Schizophrenia (13)
Sedation (111)
Seizures (334)
Sensory disturbances (7)
Serotonin syndrome (60)
Sexual fantasies (1)
Shivering (32)
Sleep apnea (3)
Sleep disturbances (56)
Sleep-related disorder (61)
Sleep-related eating disorder (SRED) (7)
Sleepwalking (see somnambulism)
Slurred speech (9)
Somnambulism (sleepwalking; noctambulism) (18)
Somnolence (drowsiness) (364)
Speech disorder (17)
Spinal cord compression (2)
Spinal cord infarction (1)
Spinal shock
Status epilepticus (41)
Status gelasticus (3)
Stroke / cerebral infarction (81)
Stupor (7)
Stuttering (dysphemia) / stammering (20)
Subarachnoid hemorrhage (10)
Subdural hemorrhage (12)
Suicidal ideation (110)
Syncope / fainting (182)
Tardive seizure (1)
Tardive syndrome / tardive dyskinesia (36)
Tic disorder (34)
Tourette's syndrome (1)
Trembling (17)
Tremor (287)
Trichotillomania (hair-pulling disorder) (6)
Tumor pain (2)
Vertigo / dizziness (828)
Warm feeling (includes feeling hot) (18)
Yawning (12)