OpenPV Signal Explorer
FAERS disproportionality dashboard
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Drug

Tetrabenazine

185 flagged reaction(s) · 12,974 total co-reports · max PRR 33.7
Important: Reactions below are the flagged terms from this drug’s FAERS report history (min. 3 co-reports per term) — PRR/ROR indicate disproportionality in spontaneous reporting, not causation. Data from FDA FAERS via openFDA. Last recalculated: 2026-09-14.
Reaction Co-reports (a) PRR ROR Signal
1 Parkinsonism 113 33.7 34.2 signal
2 Prescribed Overdose 195 29.2 30.0 signal
3 Drug Administration Error 241 22.4 23.1 signal
4 Dystonia 130 19.3 19.6 signal
5 Hospice Care 62 18.2 18.3 signal
6 Movement Disorder 189 16.9 17.3 signal
7 Tardive Dyskinesia 162 16.4 16.8 signal
8 Dyskinesia 223 15.9 16.3 signal
9 Restlessness 133 10.5 10.6 signal
10 Treatment Noncompliance 196 10.4 10.7 signal
11 Akathisia 43 9.1 9.1 signal
12 Sedation 82 9.1 9.2 signal
13 Intentional Product Use Issue 274 9.0 9.3 signal
14 Salivary Hypersecretion 29 8.4 8.4 signal
15 Muscle Rigidity 32 7.7 7.7 signal
16 Neuroleptic Malignant Syndrome 31 7.5 7.5 signal
17 Hypersomnia 69 6.9 7.0 signal
18 Crying 87 6.9 6.9 signal
19 Anger 80 6.8 6.8 signal
20 Aspiration 25 6.6 6.7 signal
21 Drug Ineffective For Unapproved Indication 126 6.5 6.6 signal
22 Somnolence 451 6.5 6.8 signal
23 Abnormal Behaviour 89 6.4 6.5 signal
24 Depression 475 6.0 6.3 signal
25 Hospitalisation 299 5.6 5.8 signal
26 Suicidal Ideation 179 5.6 5.7 signal
27 Aggression 95 5.4 5.5 signal
28 Agitation 138 5.4 5.5 signal
29 Extrapyramidal Disorder 46 5.3 5.3 signal
30 Eating Disorder 39 5.2 5.3 signal
31 Muscle Twitching 42 5.2 5.3 signal
32 Medication Error 97 5.0 5.1 signal
33 Dysphagia 164 5.0 5.1 signal
34 Pneumonia Aspiration 43 5.0 5.0 signal
35 Apathy 24 4.8 4.8 signal
36 Activities Of Daily Living Impaired 33 4.7 4.7 signal
37 Speech Disorder 86 4.7 4.8 signal
38 No Therapeutic Response 19 4.4 4.4 signal
39 Psychomotor Hyperactivity 25 4.3 4.3 signal
40 Choking 29 4.3 4.3 signal
41 Emotional Disorder 46 4.3 4.3 signal
42 Mood Altered 40 4.2 4.2 signal
43 Death 1,219 4.1 4.7 signal
44 Dysarthria 53 4.1 4.1 signal
45 Depressed Mood 73 4.0 4.0 signal
46 Drug Dose Omission 224 3.8 3.9 signal
47 Tremor 221 3.8 3.9 signal
48 Micturition Urgency 15 3.8 3.8 signal
49 Off Label Use 1,135 3.8 4.3 signal
50 Hypokinesia 19 3.8 3.8 signal
51 Balance Disorder 112 3.7 3.8 signal
52 Thinking Abnormal 24 3.7 3.7 signal
53 Irritability 75 3.6 3.6 signal
54 Decreased Activity 13 3.5 3.5 signal
55 Bipolar Disorder 13 3.4 3.4 signal
56 Economic Problem 18 3.4 3.4 signal
57 Restless Legs Syndrome 21 3.3 3.3 signal
58 Lethargy 66 3.3 3.3 signal
59 Feeding Disorder 22 3.2 3.2 signal
60 Mood Swings 35 3.2 3.2 signal
61 Personality Change 10 3.1 3.1 signal
62 Laceration 10 3.0 3.0 signal
63 Incontinence 11 3.0 3.0 signal
64 Insomnia 276 3.0 3.1 signal
65 Affect Lability 10 3.0 3.0 signal
66 Mental Status Changes 28 2.9 2.9 signal
67 Initial Insomnia 10 2.8 2.8 signal
68 Disturbance In Attention 52 2.8 2.8 signal
69 Fall 318 2.7 2.8 signal
70 Hallucination, Auditory 15 2.7 2.7 signal
71 Musculoskeletal Stiffness 81 2.7 2.7 signal
72 Paranoia 16 2.7 2.7 signal
73 Ataxia 11 2.7 2.7 signal
74 Anxiety 263 2.6 2.7 signal
75 Hallucination 69 2.6 2.7 signal
76 Malnutrition 10 2.6 2.6 signal
77 Hunger 12 2.6 2.6 signal
78 Head Injury 28 2.5 2.6 signal
79 Cognitive Disorder 41 2.5 2.5 signal
80 Drug Prescribing Error 17 2.5 2.5 signal
81 Mental Impairment 21 2.5 2.5 signal
82 Electrocardiogram Qt Prolonged 30 2.4 2.4 signal
83 Gait Disturbance 158 2.4 2.4 signal
84 Unevaluable Event 62 2.4 2.4 signal
85 Unresponsive To Stimuli 21 2.3 2.3 signal
86 Drug Effect Incomplete 30 2.3 2.3 signal
87 Panic Attack 29 2.3 2.3 signal
88 Feeling Jittery 15 2.3 2.3 signal
89 Bedridden 10 2.2 2.2 signal
90 Condition Aggravated 228 2.2 2.2 signal
91 Dementia 21 2.2 2.2 signal
92 Muscle Tightness 12 2.1 2.1 signal
93 Therapy Change 7 2.1 2.1 no signal
94 Therapy Cessation 37 2.1 2.1 signal
95 Sinus Bradycardia 7 2.1 2.1 no signal
96 Abasia 18 2.1 2.1 signal
97 Sleep Disorder 50 2.1 2.1 signal
98 Hypophagia 18 2.0 2.0 signal
99 Hypotonia 7 2.0 2.0 no signal
100 Increased Appetite 13 2.0 2.0 no signal
101 Hip Fracture 22 2.0 2.0 no signal
102 Poor Quality Sleep 14 1.9 1.9 no signal
103 Nervousness 34 1.9 1.9 no signal
104 Confusional State 104 1.8 1.9 no signal
105 Aphasia 19 1.8 1.8 no signal
106 Feeling Abnormal 149 1.8 1.8 no signal
107 Mental Disorder 27 1.8 1.8 no signal
108 Adverse Event 57 1.8 1.8 no signal
109 Rebound Effect 7 1.8 1.8 no signal
110 Impaired Driving Ability 7 1.8 1.8 no signal
111 Dysstasia 18 1.8 1.8 no signal
112 Therapeutic Response Unexpected 27 1.7 1.7 no signal
113 Intentional Self-injury 12 1.7 1.7 no signal
114 Sluggishness 6 1.7 1.7 no signal
115 Memory Impairment 80 1.7 1.7 no signal
116 Adverse Drug Reaction 52 1.7 1.7 no signal
117 Delusion 9 1.7 1.7 no signal
118 Schizophrenia 7 1.7 1.7 no signal
119 Psychotic Disorder 17 1.7 1.7 no signal
120 Respiratory Depression 7 1.6 1.6 no signal
121 Coordination Abnormal 8 1.6 1.6 no signal
122 Visual Acuity Reduced 19 1.6 1.6 no signal
123 Drug Effect Decreased 31 1.6 1.6 no signal
124 Amnesia 37 1.6 1.6 no signal
125 Diabetes Mellitus Inadequate Control 10 1.6 1.6 no signal
126 Retching 12 1.6 1.6 no signal
127 Subdural Haematoma 8 1.6 1.6 no signal
128 Rhabdomyolysis 23 1.6 1.6 no signal
129 Upper Limb Fracture 11 1.6 1.6 no signal
130 Suicide Attempt 33 1.6 1.6 no signal
131 Urinary Incontinence 16 1.6 1.6 no signal
132 Insurance Issue 8 1.5 1.5 no signal
133 Hyperhidrosis 69 1.5 1.5 no signal
134 Drug Ineffective 703 1.5 1.6 no signal
135 Deformity 5 1.5 1.5 no signal
136 Disorientation 21 1.5 1.5 no signal
137 Adverse Reaction 7 1.5 1.5 no signal
138 Epilepsy 16 1.5 1.5 no signal
139 Neck Pain 29 1.5 1.5 no signal
140 Impaired Work Ability 11 1.5 1.5 no signal
141 Myoclonus 6 1.4 1.4 no signal
142 Eyelid Ptosis 5 1.4 1.4 no signal
143 Impaired Quality Of Life 7 1.4 1.4 no signal
144 Euphoric Mood 5 1.4 1.4 no signal
145 Disease Recurrence 23 1.4 1.4 no signal
146 Pollakiuria 20 1.4 1.4 no signal
147 Drug Resistance 12 1.3 1.3 no signal
148 Product Administration Error 9 1.3 1.3 no signal
149 Convulsion 26 1.3 1.3 no signal
150 Blood Creatine Phosphokinase Increased 13 1.3 1.3 no signal
151 Fear 12 1.3 1.3 no signal
152 Muscle Spasms 81 1.3 1.3 no signal
153 Nightmare 15 1.2 1.2 no signal
154 Hallucination, Visual 9 1.2 1.2 no signal
155 Grand Mal Convulsion 4 1.2 1.2 no signal
156 Pain In Jaw 12 1.2 1.2 no signal
157 Seizure 47 1.2 1.2 no signal
158 Therapy Partial Responder 6 1.1 1.1 no signal
159 Heart Rate Irregular 9 1.1 1.1 no signal
160 No Adverse Event 69 1.1 1.1 no signal
161 Product Substitution Issue 22 1.1 1.1 no signal
162 Coma 18 1.1 1.1 no signal
163 Middle Insomnia 7 1.1 1.1 no signal
164 Incorrect Dose Administered 84 1.1 1.1 no signal
165 Acute Hepatic Failure 5 1.1 1.1 no signal
166 Disease Progression 42 1.0 1.0 no signal
167 Myocarditis 4 1.0 1.0 no signal
168 Therapy Interrupted 24 1.0 1.0 no signal
169 Local Swelling 6 1.0 1.0 no signal
170 Abnormal Dreams 9 0.9 0.9 no signal
171 Drug Dispensing Error 5 0.9 0.9 no signal
172 Sopor 4 0.9 0.9 no signal
173 Wrong Technique In Drug Usage Process 10 0.8 0.8 no signal
174 Neoplasm Malignant 18 0.8 0.8 no signal
175 Device Failure 4 0.8 0.8 no signal
176 Intentional Overdose 16 0.7 0.7 no signal
177 Overdose 50 0.7 0.7 no signal
178 Withdrawal Syndrome 9 0.6 0.6 no signal
179 Product Quality Issue 28 0.6 0.6 no signal
180 Hepatic Cancer 4 0.5 0.5 no signal
181 Drug Withdrawal Syndrome 14 0.5 0.5 no signal
182 Completed Suicide 13 0.4 0.4 no signal
183 Incorrect Drug Administration Duration 4 0.4 0.4 no signal
184 Menstruation Irregular 3 0.3 0.3 no signal
185 Drug Abuse 8 0.3 0.3 no signal