Central Nervous System Adverse Reactions

Reaction 
Abnormal dreams (66)
Acute disseminated encephalomyelopathy (4)
Ageusia (taste loss) / taste disorder (54)
Aggression (45)
Agitation (140)
Akathisia (56)
Allodynia (3)
Altered mental status (7)
Amnesia (82)
Amyotrophic lateral sclerosis (2)
Aneurysm (7)
Anorexia (296)
Anorgasmia (12)
Anosmia (smell loss) / smell disorder (17)
Antibiomania / antimicrobial-induced mania (see mania)
Antiphospholipid antibody syndrome (7)
Anxiety (268)
Apathy (1)
Aphasia (13)
Arachnoiditis (6)
Aseptic meningitis (35)
Attention disturbances (3)
Balance disorder (16)
Behavioral disturbances / personality changes (25)
Bell's palsy (facial palsy; idiopathic facial palsy) (3)
Bradykinesia (8)
Bradyphrenia (1)
Brain abscess (1)
Brain atrophy (3)
Brain edema (1)
Brainstem dysgenesis (2)
Carotid artery dissection (1)
Carpal tunnel syndrome (5)
Cataplexy (3)
Catatonia (19)
Cerebellar degeneration (1)
Cerebellar syndrome (5)
Cerebral edema (9)
Cerebral hemorrhage (28)
Cerebral infarction (see stroke)
Cerebral ischemia (13)
Cerebral vasculitis (angiitis) (3)
Cerebral venous sinus thrombosis (includes cavernous sinus thrombosis) (6)
Cerebrovascular accident (25)
Cerebrovascular adverse effect (3)
Chiasmal neuritis (1)
Chills (206)
Chorea (10)
Choreoathetosis (9)
CNS adverse reaction (2)
CNS depression (3)
Cognitive impairment (60)
Coma (47)
Compulsions (29)
Confusion (169)
Cytokine release syndrome / cytokine storm (9)
Decreased consciousness (21)
Delirium (106)
Delusions (14)
Delusions of parasitosis (6)
Dementia (12)
Demyelinating neuropathy (2)
Demyelination (9)
Depersonalization (8)
Depression (316)
Disorientation (22)
Dissociation (1)
Disulfiram-like reaction (6)
Dysarthria (40)
Dysesthesia (42)
Dysgeusia (taste perversion) (449)
Dyskinesia (64)
Dysphasia (8)
Dysphemia (see stuttering)
Dysphoria (15)
Emotional lability (18)
Encephalitis (23)
Encephalomyelitis (2)
Encephalopathy (includes hepatic encephalopathy) (113)
Epilepsy (2)
Euphoria (33)
Extrapyramidal symptoms (37)
Fainting (see syncope)
Fall (12)
Fetal hydantoin syndrome (1)
Fever (pyrexia) (592)
Forehead swelling (1)
Gait instability (77)
Guillain-Barré syndrome / acute inflammatory demyelinating polyradiculoneuropathy (39)
Hallucinations (157)
Hallucinations, auditory (48)
Hallucinations, olfactory (2)
Hallucinations, visual (110)
Headache (1065)
Hoigne's syndrome (5)
Horner's syndrome (1)
Hostility (11)
Hyperactivity (21)
Hyperalgesia (16)
Hyperesthesia (87)
Hyperkinesia (2)
Hypersexuality (6)
Hypersomnia (12)
Hyperthermia (18)
Hypervigilance (1)
Hypoesthesia (numbness) (78)
Hypogeusia (5)
Hypokinesia (11)
Hypomania (13)
Hyporeflexia (3)
Hyposmia (4)
Hyposomnia (2)
Hypothermia (20)
Impaired concentration (45)
Impulse control disorder (14)
Incoordination (23)
Insomnia (428)
Intracranial hemorrhage (40)
Intracranial pressure decreased (2)
Intracranial pressure increased (intracranial hypertension) (19)
Intraventricular hemorrhage (4)
Irritability (106)
Ischemic injury (1)
Ischemic stroke (14)
Jittery feelings (1)
Leukoencephalopathy / posterior reversible encephalopathy syndrome (PRES)) (85)
Loss of consciousness (1)
Malaise (3)
Malignant hyperthermia (7)
Mania (79)
Meige's syndrome (3)
Memory loss/memory impaired (54)
Meningococcal infection (17)
Meningoencephalitis (4)
Meningoradiculitis (1)
Mental status changes (2)
Migraine (56)
Mood changes (76)
Movement disorder (1)
Multiple sclerosis (10)
Myelitis (8)
Myelo-optic-neuropathy (2)
Myokymia
Narcolepsy (4)
Narcosis (2)
Nerve dysfunction (3)
Nervousness (84)
Neuralgic amyotrophy (1)
Neuroleptic malignant syndrome (61)
Neurological adverse effect (1)
Neuromyopathy (1)
Neuropathy (6)
Neuropsychiatric / neuropsychological adverse effect (19)
Neurotoxicity (323)
Nightmares (41)
Noctambulism (see somnambulism)
Notalgia paresthetica (1)
Numbness (see hypoesthesia)
Orbitocranial inflammation (1)
Pain (293)
Palinopsia / visual perseveration (4)
Panic attack (20)
Paralysis (22)
Paranoia (27)
Parasomnia (see the sleep-related adverse reactions)
Paresis (8)
Paresthesias (483)
Parkinsonism (92)
Parosmia (43)
Pavor nocturnus (1)
Perioral paresthesias (5)
Peripheral neuropathy (154)
Periventricular leukomalacia (2)
Posterior reversible encephalopathy syndrome (see leukoencephalopathy)
Presyncope (6)
Primary central nervous system lymphoma (PCNSL) (2)
Pseudohallucinations (5)
Pseudoparkinsonism (1)
Pseudotumor cerebri (28)
Psychiatric adverse effect (9)
Psychomotor impairment (8)
Psychosis (141)
Punding (3)
Rabbit syndrome (9)
Restless legs syndrome (42)
Restlessness (67)
Rigors (56)
Schizophrenia (13)
Sedation (111)
Seizures (332)
Sensory disturbances (7)
Serotonin syndrome (59)
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) (358)
Speech disorder (17)
Spinal cord compression (2)
Spinal cord infarction (1)
Spinal shock
Status epilepticus (36)
Status gelasticus (3)
Stroke / cerebral infarction (81)
Stupor (7)
Stuttering (dysphemia) / stammering (20)
Subarachnoid hemorrhage (10)
Subdural hemorrhage (12)
Suicidal ideation (107)
Syncope / fainting (181)
Tardive dyskinesia (35)
Tardive seizure (1)
Tic disorder (33)
Tourette's syndrome (1)
Trembling (17)
Tremor (285)
Trichotillomania (hair-pulling disorder) (6)
Tumor pain (2)
Twitching / myokymia (31)
Vertigo / dizziness (807)
Warm feeling (17)
Yawning (12)