Central Nervous System Adverse Reactions

Reaction 
Abnormal dreams (61)
Acute disseminated encephalomyelopathy (4)
Ageusia (taste loss) (53)
Aggression (41)
Agitation (132)
Akathisia (56)
Allodynia (3)
Altered mental status (6)
Amnesia (79)
Amyotrophic lateral sclerosis (2)
Aneurysm (7)
Anorexia (276)
Anorgasmia (9)
Anosmia (16)
Antiphospholipid antibody syndrome (4)
Anxiety (249)
Aphasia (11)
Arachnoiditis (5)
Aseptic meningitis (32)
Balance disorder (12)
Behavioral disturbances (20)
Bradykinesia (6)
Brain abscess (1)
Brain atrophy (3)
Brainstem dysgenesis (2)
Carotid artery dissection (1)
Carpal tunnel syndrome (5)
Cataplexy (2)
Catatonia (17)
Cerebellar degeneration (1)
Cerebellar syndrome (3)
Cerebral edema (9)
Cerebral hemorrhage (26)
Cerebral ischemia (11)
Cerebral vasculitis (2)
Cerebrovascular accident (24)
Chiasmal neuritis (1)
Chills (196)
Chorea (9)
Choreoathetosis (8)
CNS depression (3)
Cognitive impairment (48)
Coma (47)
Compulsions (29)
Confusion (160)
Cytokine release syndrome (4)
Decreased consciousness (17)
Delirium (100)
Delusions (13)
Delusions of parasitosis (6)
Dementia (11)
Demyelination (3)
Depersonalization (8)
Depression (297)
Disorientation (21)
Disulfiram-like reaction (6)
Dysarthria (38)
Dysesthesia (37)
Dysgeusia (taste perversion) (419)
Dyskinesia (57)
Dysphasia (8)
Dysphoria (11)
Emotional lability (16)
Encephalitis (16)
Encephalopathy (102)
Euphoria (26)
Extrapyramidal symptoms (35)
Fetal hydantoin syndrome (1)
Fever (516)
Gait instability (74)
Guillain–Barré syndrome (34)
Hallucinations (147)
Hallucinations, olfactory (2)
Headache (954)
Hoigne's syndrome (5)
Horner's syndrome (1)
Hostility (5)
Hyperactivity (17)
Hyperalgesia (16)
Hyperesthesia (87)
Hypersexuality (6)
Hypersomnia (11)
Hyperthermia (15)
Hypoesthesia (72)
Hypogeusia (5)
Hypokinesia (11)
Hypomania (12)
Hyporeflexia (3)
Hyposmia (4)
Hyposomnia (2)
Hypothermia (16)
Impaired concentration (40)
Impulse control disorder (14)
Incoordination (21)
Insomnia (389)
Intracranial hemorrhage (32)
Intracranial pressure decreased (2)
Intracranial pressure increased (17)
Intraventricular hemorrhage (3)
Irritability (94)
Ischemic injury (1)
Ischemic stroke (12)
Leukoencephalopathy (78)
Malignant hyperthermia (6)
Mania (65)
Meige's syndrome (3)
Memory loss (42)
Meningococcal infection (15)
Migraine (51)
Mood changes (54)
Multiple sclerosis (8)
Myelitis (7)
Myelo-optic-neuropathy (2)
Narcolepsy (4)
Narcosis (2)
Nerve dysfunction (3)
Nervousness (79)
Neuroleptic malignant syndrome (61)
Neuropsychiatric disturbances (10)
Neurotoxicity (308)
Nightmares (38)
Notalgia paresthetica (1)
Orbitocranial inflammation (1)
Pain (277)
Palinopsia (4)
Panic attack (17)
Paralysis (20)
Paranoia (26)
Paresis (6)
Paresthesias (471)
Parkinsonism (89)
Parosmia (42)
Perioral paresthesias (5)
Peripheral neuropathy (137)
Periventricular leukomalacia (2)
Presyncope (3)
Primary lymphoma of the central nervous system (2)
Pseudohallucinations (5)
Pseudoparkinsonism (1)
Pseudotumor cerebri (28)
Psychic changes (3)
Psychomotor impairment (8)
Psychosis (128)
Punding (3)
Rabbit syndrome (9)
Restless legs syndrome (39)
Restlessness (64)
Rigors (56)
Schizophrenia (10)
Sedation (94)
Seizures (323)
Sensory disturbances (6)
Serotonin syndrome (56)
Sexual fantasies (1)
Shivering (30)
Shock (16)
Sleep apnea (3)
Sleep disturbances (42)
Sleep related disorder (54)
Slurred speech (9)
Somnambulism (16)
Somnolence (drowsiness) (330)
Speech disorder (15)
Spinal cord compression (2)
Spinal cord infarction (1)
Status epilepticus (34)
Status gelasticus (3)
Stroke (74)
Stupor (7)
Stuttering (3)
Subarachnoid hemorrhage (9)
Subdural hemorrhage (10)
Suicidal ideation (86)
Syncope (166)
Tardive dyskinesia (28)
Tardive seizure (1)
Tic disorder (29)
Tourette's syndrome (1)
Trembling (17)
Tremor (271)
Tumor pain (2)
Twitching (28)
Vacuolar myelinopathy (1)
Vasovagal reaction (11)
Vertigo (dizziness) (730)
Warm feeling (17)
Yawning (11)