⚠️

Important: VAERS reports alone cannot determine if a vaccine caused an adverse event. Reports may contain incomplete, inaccurate, or unverified information. Correlation does not equal causation.

All Symptoms in VAERS

Complete list of 1,000 symptoms reported in VAERS adverse event reports. Click any symptom to see which vaccines are most associated and detailed analysis.

Symptoms in VAERS are reported using MedDRA (Medical Dictionary for Regulatory Activities) terms. Common symptoms like headache, fever, and fatigue appear frequently because they are general reactions reported across many vaccine types. Severity rates help distinguish common mild reactions from rare serious events.

1,000

Unique Symptoms

Reported to VAERS

1,983,260

Total Reports

All symptoms combined

27,732

Deaths

With these symptoms

143,653

Hospitalizations

Serious outcomes

Browse All Symptoms

⚠️

Important: VAERS reports alone cannot determine if a vaccine caused an adverse event. Reports may contain incomplete, inaccurate, or unverified information. Correlation does not equal causation.

Symptom	Reports ↓	Deaths	Hospitalizations
Pyrexia	276,779	2,361	23,891
Headache	228,038	815	11,195
Pain	199,891	805	9,331
Fatigue	181,355	1,336	10,540
Chills	156,139	650	6,684
Pain in extremity	143,925	384	5,429
No adverse event	142,256	23	39
Nausea	135,876	964	9,042
Injection site pain	134,294	125	2,235
Dizziness	133,323	463	7,303
Injection site erythema	131,718	34	1,771
Rash	113,613	221	4,332
COVID-19	97,623	7,316	35,295
Injection site swelling	96,522	28	1,407
Myalgia	95,202	258	4,011
Erythema	90,703	74	2,175
Pruritus	88,832	36	1,475
Arthralgia	87,171	191	3,806
Dyspnoea	85,976	4,203	22,749
Vomiting	79,547	1,343	11,544
Urticaria	71,151	25	1,806
Product storage error	69,639	6	9
Asthenia	68,739	1,749	12,870
SARS-CoV-2 test positive	62,568	5,842	29,105
Expired product administered	60,879	12	15
Malaise	57,477	1,339	6,579
Cough	56,482	1,586	11,103
Injection site warmth	55,234	4	548
Diarrhoea	53,925	911	6,486
Paraesthesia	51,384	114	4,827
Hypoaesthesia	45,780	114	5,587
Chest pain	41,781	619	10,502
Hyperhidrosis	41,609	170	2,110
Feeling abnormal	40,899	293	2,602
Peripheral swelling	40,006	164	2,129
Syncope	38,758	552	3,183
Injection site pruritus	38,572	3	147
Swelling	38,228	73	1,212
Lymphadenopathy	37,829	92	1,282
SARS-CoV-2 test	36,208	420	3,838
Herpes zoster	35,559	128	2,271
Tremor	32,120	183	2,842
Condition aggravated	30,718	1,379	7,493
Blood test	30,290	242	7,420
Skin warm	30,127	46	566
Incorrect product storage	29,880	0	2
Drug ineffective	29,868	212	1,230
Back pain	28,482	257	3,339
Product administered to patient of inappropriate age	28,193	14	45
Feeling hot	27,348	35	717
Oropharyngeal pain	27,122	153	1,751
Chest discomfort	26,389	130	3,140
Rash erythematous	25,859	23	532
Loss of consciousness	25,416	356	2,460
Mobility decreased	25,289	219	2,210
Injection site rash	25,259	3	230
Neck pain	24,653	83	1,615
Decreased appetite	24,388	606	3,109
Influenza like illness	24,094	141	1,211
Heart rate increased	24,004	121	2,220
Palpitations	23,937	65	2,098
Injection site oedema	23,249	24	605
Injection site induration	23,192	1	289
Extra dose administered	23,062	46	264
Inappropriate schedule of product administration	22,714	281	1,341
Tinnitus	22,670	13	537
Vaccination site pain	22,572	16	252
Injection site reaction	21,955	14	547
Death	21,624	21,335	7,438
Pallor	21,329	201	1,761
Insomnia	20,807	106	1,106
Muscular weakness	20,544	192	4,577
Unevaluable event	20,049	625	3,530
Injection site hypersensitivity	19,913	9	403
Electrocardiogram	19,705	195	4,924
Incorrect dose administered	19,587	12	70
Oedema peripheral	19,418	148	1,545
Rash pruritic	19,052	8	327
Gait disturbance	18,932	245	4,043
Immediate post-injection reaction	18,678	63	703
Laboratory test	18,522	557	6,331
Lethargy	18,435	505	2,579
Somnolence	17,996	298	2,047
Fall	17,934	780	4,552
Abdominal pain	17,808	380	4,061
Musculoskeletal stiffness	17,752	52	1,024
Rhinorrhoea	17,362	130	1,050
Body temperature increased	16,993	139	1,464
Tenderness	16,885	20	558
Injection site mass	16,666	6	224
Cellulitis	16,543	60	2,176
Muscle spasms	16,298	61	1,339
Abdominal pain upper	16,081	141	1,526
Sleep disorder	15,938	40	902
Flushing	15,902	15	493
Hypersensitivity	15,893	40	1,391
Vaccination failure	15,849	205	796
Infection	15,634	403	2,425
Swelling face	15,541	27	803
Computerised tomogram	15,525	303	6,381
Burning sensation	15,074	16	714
Migraine	14,969	27	951
Full blood count	14,669	223	3,718
Crying	14,655	120	1,301
SARS-CoV-2 test negative	14,459	425	2,837
Body temperature	14,457	50	656
Anxiety	14,292	132	1,224
Convulsion	14,104	257	5,268
Wrong product administered	14,068	5	20
Vertigo	13,628	33	1,071
Vision blurred	13,591	30	1,313
Injected limb mobility decreased	13,256	6	277
Interchange of vaccine products	13,185	41	241
Hypertension	13,161	290	2,894
Tachycardia	12,590	355	3,047
Throat tightness	12,358	12	674
Agitation	12,268	378	1,781
Feeling cold	12,267	102	416
Underdose	12,134	3	6
Blister	12,079	43	501
Vasodilatation	11,869	22	408
Confusional state	11,827	596	3,519
Nasal congestion	11,624	83	671
Impaired work ability	11,545	32	1,093
Throat irritation	11,433	7	318
Chest X-ray	11,380	263	3,615
Rash macular	11,366	11	322
Respiratory tract congestion	11,199	232	1,407
Blood pressure increased	11,045	57	1,231
Loss of personal independence in daily activities	10,961	83	1,210
Unresponsive to stimuli	10,939	1,676	1,938
Abdominal discomfort	10,900	94	619
Irritability	10,844	163	1,285
Discomfort	10,773	55	586
Hypotension	10,681	939	3,899
Seizure	10,676	359	2,575
Metabolic function test	10,599	193	2,724
Dysphagia	10,547	278	1,739
Contusion	10,450	80	1,046
Magnetic resonance imaging	10,449	111	3,816
Lip swelling	10,430	7	457
Illness	10,386	177	739
Electrocardiogram normal	10,171	73	2,195
Paraesthesia oral	9,860	6	351
Exposure during pregnancy	9,843	23	1,233
Wheezing	9,764	151	1,502
Pneumonia	9,607	1,607	5,951
Incorrect product formulation administered	9,496	8	7
Inflammation	9,373	57	1,000
Rash papular	9,372	8	227
Musculoskeletal pain	9,269	10	433
Influenza	9,245	167	889
Rash vesicular	9,166	27	268
Vaccination site erythema	9,157	0	57
Screaming	9,106	63	614
Product preparation issue	9,097	0	7
Axillary pain	9,015	4	116
Vaccination site swelling	9,006	2	84
Blood test normal	8,997	36	1,417
Oedema	8,971	111	747
Vaccine breakthrough infection	8,914	850	6,511
X-ray	8,909	115	2,007
Nasopharyngitis	8,862	51	447
Echocardiogram	8,756	205	4,747
Chest X-ray normal	8,747	170	3,401
Vaccination complication	8,735	84	937
Inappropriate schedule of drug administration	8,678	25	167
Limb discomfort	8,615	12	475
Balance disorder	8,583	72	1,525
Poor quality product administered	8,576	2	3
Visual impairment	8,267	28	956
Rash maculo-papular	8,238	19	385
Joint swelling	8,205	17	565
Cold sweat	8,086	47	359
Full blood count normal	8,053	58	1,745
Swollen tongue	8,016	27	510
Induration	7,913	3	154
Laboratory test abnormal	7,813	287	3,211
Hypoxia	7,693	1,511	6,570
Guillain-Barre syndrome	7,685	199	5,643
Eye swelling	7,631	8	275
Skin discolouration	7,580	108	675
Lymph node pain	7,472	2	90
Chest X-ray abnormal	7,425	1,108	5,734
Hypoaesthesia oral	7,414	4	445
Ear pain	7,390	28	332
Dysgeusia	7,337	8	190
Ultrasound scan	7,249	49	1,525
Laboratory test normal	7,222	114	2,194
Urine analysis	7,202	112	1,770
Hypokinesia	7,086	68	1,161
Intensive care	7,083	1,685	6,413
Injection site bruising	7,067	8	76
Dehydration	7,030	266	2,751
Muscle twitching	7,009	35	825
Ageusia	6,962	61	567
COVID-19 pneumonia	6,899	1,835	6,185
Incorrect storage of drug	6,891	1	3
White blood cell count increased	6,886	422	4,012
Acute respiratory failure	6,791	1,446	6,384
Cerebrovascular accident	6,584	666	4,631
Thrombosis	6,547	454	2,331
Eye pain	6,520	17	421
Joint range of motion decreased	6,509	3	187
Pharyngeal swelling	6,419	9	376
Presyncope	6,390	24	550
Rash generalised	6,376	12	312
Atrial fibrillation	6,359	621	3,528
Wrong drug administered	6,333	5	69
Dermatitis bullous	6,324	6	223
Electrocardiogram abnormal	6,191	236	3,079
Blood pressure measurement	6,128	62	856
Neuralgia	6,068	13	389
Injection site urticaria	6,058	0	48
Product temperature excursion issue	6,021	1	0
Pulmonary embolism	5,969	569	4,485
Hypotonia	5,927	111	1,618
Hot flush	5,910	8	157
Local reaction	5,870	1	116
Anaphylactic reaction	5,781	89	965
Dysstasia	5,719	113	1,222
Heavy menstrual bleeding	5,638	7	163
Speech disorder	5,626	104	1,543
Computerised tomogram normal	5,615	51	1,972
Weight decreased	5,569	151	1,320
Viral infection	5,559	104	972
Myocarditis	5,540	245	3,694
Asthma	5,538	60	941
Anosmia	5,531	41	435
Hypersomnia	5,523	107	374
Dyskinesia	5,498	50	914
Incomplete course of vaccination	5,472	30	152
Heart rate	5,420	53	681
Injection site inflammation	5,408	8	94
Dysphonia	5,403	43	417
Head injury	5,270	73	672
Anticoagulant therapy	5,234	508	4,232
Blood glucose normal	5,182	127	1,520
Vaccination site pruritus	5,150	0	15
Medication error	5,147	8	80
Vaccination site warmth	5,105	0	26
Bell's palsy	5,072	6	490
Cyanosis	5,059	380	1,421
Night sweats	5,046	21	348
Arthritis	5,036	14	427
Troponin increased	5,020	288	4,350
C-reactive protein increased	4,956	132	2,826
Gait inability	4,941	146	1,632
Skin lesion	4,922	24	385
Ocular hyperaemia	4,915	10	237
Head discomfort	4,900	11	243
Drug administered to patient of inappropriate age	4,827	3	21
Disorientation	4,787	74	714
Vaccine positive rechallenge	4,759	5	158
Facial paralysis	4,743	57	1,144
Sneezing	4,739	4	167
Injection site nodule	4,707	6	52
Anorexia	4,624	124	808
Disturbance in attention	4,610	20	336
Computerised tomogram head	4,603	126	2,011
Productive cough	4,592	246	1,431
Bone pain	4,583	9	171
Menstruation irregular	4,571	8	85
Platelet count decreased	4,498	304	2,891
Product preparation error	4,496	1	12
Immunisation	4,466	22	141
Febrile convulsion	4,442	27	1,141
Urinary tract infection	4,442	412	2,089
Pharyngitis	4,402	66	550
Epistaxis	4,327	95	560
Photophobia	4,324	22	494
Deep vein thrombosis	4,323	220	2,340
Local swelling	4,321	2	189
Blood glucose increased	4,314	238	1,467
Ear discomfort	4,266	5	116
Injection site cellulitis	4,236	2	297
Expired drug administered	4,229	7	10
Incorrect route of product administration	4,172	4	40
Nervousness	4,162	13	180
Endotracheal intubation	4,116	2,069	3,459
Face oedema	4,112	6	352
Aphasia	4,098	173	1,496
Pain in jaw	4,091	15	360
Alopecia	4,089	8	235
Muscle tightness	3,980	7	226
Oxygen saturation decreased	3,972	655	2,211
Echocardiogram normal	3,961	46	2,366
Sepsis	3,958	945	3,278
Urine analysis normal	3,940	65	1,250
Exposure to SARS-CoV-2	3,826	147	1,020
Memory impairment	3,825	52	807
Neuropathy peripheral	3,822	19	917
Injection site vesicles	3,820	2	72
Lumbar puncture	3,791	71	2,898
Amnesia	3,706	37	864
Pericarditis	3,689	45	1,832
Dry mouth	3,682	8	186
Acute kidney injury	3,676	992	3,271
Haemoglobin decreased	3,629	382	2,522
Vaccination site rash	3,612	0	16
Sinusitis	3,590	15	390
Stupor	3,563	252	1,041
Dyspepsia	3,559	42	334
Influenza virus test negative	3,552	70	836
Nuclear magnetic resonance imaging	3,532	36	1,447
Dysarthria	3,486	118	1,445
Eye movement disorder	3,468	41	499
Red blood cell sedimentation rate increased	3,463	36	1,352
Peripheral coldness	3,459	115	295
Movement disorder	3,458	38	572
Activities of daily living impaired	3,456	23	483
Troponin	3,452	113	1,739
Menstrual disorder	3,449	7	77
Respiratory failure	3,422	1,064	2,980
Product administered at inappropriate site	3,418	5	47
Skin ulcer	3,411	38	288
Mental status changes	3,398	694	2,668
Computerised tomogram thorax abnormal	3,368	331	2,713
Nodule	3,366	9	104
Computerised tomogram head normal	3,358	188	2,017
Cardiac arrest	3,355	2,457	1,615
Off label use	3,326	22	142
Depression	3,322	40	557
Abdominal distension	3,317	115	615
Retching	3,313	36	314
Rhinitis	3,301	78	312
Blood test abnormal	3,298	56	973
Suspected COVID-19	3,283	62	252
Lacrimation increased	3,282	4	126
Heart rate irregular	3,275	34	453
Metabolic function test normal	3,268	46	1,006
Immunoglobulin therapy	3,267	110	2,791
Constipation	3,266	63	889
Joint stiffness	3,231	5	130
Gaze palsy	3,229	30	689
Magnetic resonance imaging head	3,221	43	1,290
Blood pressure decreased	3,217	96	498
Apnoea	3,214	856	1,383
Echocardiogram abnormal	3,207	209	2,314
Product dose omission issue	3,195	4	174
Eye pruritus	3,190	2	59
Syringe issue	3,167	0	1
Deafness	3,149	12	290
Pain of skin	3,113	5	84
Myocardial infarction	3,090	761	1,713
Fibrin D dimer	3,061	134	1,496
Haematochezia	3,038	38	1,019
Mass	3,031	16	147
Skin burning sensation	3,030	2	95
Anaemia	3,013	273	1,691
Abnormal behaviour	3,013	89	551
Breast pain	2,996	2	92
Paralysis	2,992	101	1,389
Petechiae	2,981	206	1,037
Blood creatinine increased	2,968	414	2,313
Dyspnoea exertional	2,957	155	1,511
Injection site discolouration	2,953	0	45
White blood cell count normal	2,947	123	1,560
Taste disorder	2,934	10	138
C-reactive protein	2,896	42	986
Platelet count normal	2,890	137	1,537
Fibrin D dimer increased	2,852	178	1,754
Skin exfoliation	2,819	12	179
Urinary incontinence	2,801	62	619
Computerised tomogram abnormal	2,796	181	1,588
Drug exposure during pregnancy	2,779	9	265
Sensory disturbance	2,770	11	348
Gastrointestinal disorder	2,761	56	592
Facial pain	2,754	12	184
Intussusception	2,750	22	2,375
Varicella	2,734	11	91
Haemorrhage	2,731	224	575
Streptococcus test negative	2,731	30	381
Hypoacusis	2,725	5	146
Eye irritation	2,712	1	64
Thrombocytopenia	2,704	315	1,898
Immunisation reaction	2,700	30	266
Otitis media	2,694	40	548
Blindness	2,670	29	593
Aspartate aminotransferase increased	2,658	196	1,441
Electroencephalogram	2,652	42	1,384
Lung opacity	2,644	414	2,334
Oral herpes	2,639	3	52
Hypertonia	2,618	32	438
Ultrasound Doppler	2,616	38	1,120
Investigation	2,586	41	613
Musculoskeletal discomfort	2,562	18	168
Sinus congestion	2,558	8	130
Haemoglobin normal	2,542	79	1,284
Leukocytosis	2,540	204	1,775
Product administration error	2,531	3	10
Thirst	2,529	19	244
Differential white blood cell count	2,524	44	756
Red blood cell sedimentation rate normal	2,521	6	584
SARS-CoV-2 antibody test	2,521	35	483
Musculoskeletal chest pain	2,509	22	326
Feeding disorder	2,496	93	401
Blood glucose	2,483	42	480
Impaired driving ability	2,480	25	374
Dysmenorrhoea	2,477	0	49
Alanine aminotransferase increased	2,470	155	1,199
General physical health deterioration	2,467	1,535	1,590
Magnetic resonance imaging head abnormal	2,467	107	1,880
Feeling of body temperature change	2,459	10	108
Injection site discomfort	2,445	3	21
Blood culture negative	2,423	95	1,859
Computerised tomogram thorax	2,421	84	1,239
Diplopia	2,415	13	692
Blood thyroid stimulating hormone	2,404	12	425
Cardiac disorder	2,386	174	716
Pharyngeal oedema	2,384	11	213
Bronchitis	2,373	96	487
Abortion spontaneous	2,369	3	203
Angiogram	2,360	66	1,338
Cognitive disorder	2,344	73	612
Magnetic resonance imaging normal	2,333	18	728
Injection site haemorrhage	2,331	7	56
Heart rate decreased	2,327	48	389
Acute myocardial infarction	2,322	342	2,095
Vaginal haemorrhage	2,309	16	204
Adverse event	2,286	41	184
Hypophagia	2,284	343	1,408
Nervous system disorder	2,282	77	558
Cardiac stress test	2,271	9	606
Rheumatoid arthritis	2,266	18	185
Deafness unilateral	2,257	4	124
Biopsy	2,226	52	354
Dry skin	2,220	7	78
Red blood cell sedimentation rate	2,214	19	528
X-ray normal	2,205	14	343
Bradycardia	2,203	266	859
Gastrooesophageal reflux disease	2,192	33	477
Erythema multiforme	2,182	5	220
Respiratory disorder	2,175	346	845
Panic attack	2,174	12	160
Angioedema	2,167	7	316
Varicella post vaccine	2,166	14	131
Oropharyngeal discomfort	2,159	5	93
Lung disorder	2,159	384	906
Scab	2,157	13	137
Pruritus generalised	2,148	1	49
Arrhythmia	2,144	137	553
Magnetic resonance imaging head normal	2,143	29	926
Eczema	2,127	3	93
Polymerase chain reaction	2,126	100	768
Cardiac monitoring	2,126	14	655
Hemiparesis	2,119	125	1,294
Ultrasound scan normal	2,115	8	459
Adverse reaction	2,103	8	127
Resuscitation	2,085	1,445	885
Vaccination site reaction	2,081	0	29
Computerised tomogram head abnormal	2,069	309	1,717
Angina pectoris	2,068	15	455
Blood creatinine normal	2,067	66	1,191
Restlessness	2,064	59	158
Hallucination	2,063	66	377
Parosmia	2,062	4	86
Hyperventilation	2,057	32	331
Neurological symptom	2,056	85	852
Upper respiratory tract infection	2,054	57	433
Pleural effusion	2,043	357	1,619
Hyperaesthesia	2,035	8	153
Mechanical ventilation	2,033	931	1,712
Eye disorder	2,027	15	293
Staring	2,024	31	461
Ultrasound scan abnormal	2,022	26	510
Pharyngolaryngeal pain	2,022	13	170
Sensitive skin	2,007	1	34
Product use issue	2,002	11	54
C-reactive protein normal	1,993	9	589
Autism	1,984	1	117
Blood potassium normal	1,977	110	1,210
Ultrasound Doppler abnormal	1,977	65	1,023
Surgery	1,967	71	1,370
Flatulence	1,957	19	186
Sensation of foreign body	1,956	2	74
Respiratory distress	1,948	453	1,126
White blood cell count decreased	1,944	85	937
Blood culture	1,943	96	1,167
Troponin normal	1,940	48	822
Pollakiuria	1,906	16	348
Oxygen saturation	1,900	73	458
Vaccination site induration	1,894	0	16
Incorrect route of drug administration	1,889	3	38
Swelling of eyelid	1,876	0	54
Conjunctivitis	1,860	10	266
Cardiac failure congestive	1,857	375	1,447
Electroencephalogram normal	1,848	17	1,031
Haematocrit decreased	1,848	167	1,208
Urine analysis abnormal	1,845	87	911
Magnetic resonance imaging abnormal	1,845	28	753
Seizure like phenomena	1,832	62	359
Coordination abnormal	1,830	32	644
Cardiac flutter	1,828	6	133
Bursitis	1,825	5	73
Angiogram pulmonary abnormal	1,825	169	1,608
Wrong technique in product usage process	1,815	0	18
Bedridden	1,812	59	200
Myasthenic syndrome	1,800	23	547
Computerised tomogram abdomen abnormal	1,799	180	1,397
Maternal exposure during pregnancy	1,794	16	110
Walking aid user	1,792	45	835
Electromyogram	1,790	11	532
Stomatitis	1,788	14	130
Posture abnormal	1,786	59	319
Antinuclear antibody	1,785	19	391
Autoimmune disorder	1,784	31	342
Influenza B virus test	1,783	76	921
Lung infiltration	1,782	367	1,575
Abasia	1,766	27	784
Poor quality sleep	1,757	7	108
Blood sodium normal	1,753	88	1,038
Nuclear magnetic resonance imaging normal	1,752	4	808
White blood cell count	1,751	76	672
Fear	1,750	4	192
Osteoarthritis	1,747	16	275
Vaccination site mass	1,741	0	8
Chronic obstructive pulmonary disease	1,737	241	1,254
Blood sodium decreased	1,734	127	1,302
Weight	1,729	18	254
Asymptomatic COVID-19	1,729	92	878
Ecchymosis	1,727	19	267
Skin reaction	1,726	1	27
Facial palsy	1,722	3	303
Sudden infant death syndrome	1,720	1,714	37
Haematocrit normal	1,717	53	821
Toothache	1,700	8	41
Respiratory arrest	1,678	636	535
Sensory loss	1,677	18	591
Scan with contrast	1,672	24	918
Allergy to vaccine	1,671	0	111
Rash pustular	1,670	1	106
Vital signs measurement	1,665	5	95
Encephalopathy	1,659	368	1,182
Skin nodule	1,657	3	43
Intermenstrual bleeding	1,648	0	20
Ventricular extrasystoles	1,640	14	355
Skin irritation	1,633	1	36
Acoustic stimulation tests	1,628	1	63
Injury	1,622	90	332
Blood urea increased	1,616	263	1,199
Depressed level of consciousness	1,598	141	521
Painful respiration	1,598	13	507
Computerised tomogram abdomen	1,590	73	846
Emotional distress	1,581	27	219
Mouth swelling	1,579	4	70
Transient ischaemic attack	1,571	29	1,004
Antibody test	1,564	21	280
Blood lactic acid	1,561	218	1,131
Skin disorder	1,558	11	117
Dysuria	1,554	29	446
Electroencephalogram abnormal	1,549	108	1,058
Positive airway pressure therapy	1,549	764	1,364
Electrocardiogram ambulatory	1,544	1	270
Immune system disorder	1,538	41	333
Influenza A virus test negative	1,535	63	740
Blood potassium decreased	1,532	87	861
Ear infection	1,529	12	150
Dry throat	1,526	2	30
Bacterial infection	1,523	140	667
Grip strength decreased	1,516	17	226
Blood creatine phosphokinase increased	1,512	64	1,030
Paranasal sinus discomfort	1,505	9	52
Delirium	1,503	152	633
Blood urea normal	1,498	52	860
Coma	1,494	326	637
Tachypnoea	1,493	209	925
Blood chloride normal	1,490	84	897
Therapeutic response unexpected	1,483	1	5
Platelet count	1,482	76	631
Nuclear magnetic resonance imaging abnormal	1,478	18	586
Pulmonary oedema	1,466	467	935
Mental impairment	1,465	52	276
Nerve injury	1,455	6	166
Blood thyroid stimulating hormone normal	1,455	23	474
Menstruation delayed	1,450	0	12
Periarthritis	1,441	2	40
Injection site hypoaesthesia	1,434	1	34
Ocular discomfort	1,433	1	74
Spinal pain	1,432	3	101
Blood urine present	1,432	40	337
Axillary mass	1,430	2	29
Full blood count abnormal	1,429	69	680
Abdominal pain lower	1,418	26	422
Drug administered at inappropriate site	1,414	0	51
Circumstance or information capable of leading to medication error	1,409	1	12
Hyperacusis	1,408	7	115
Flank pain	1,404	20	358
Weight increased	1,403	25	276
Dizziness postural	1,402	6	132
Respiratory syncytial virus test negative	1,401	49	733
Electric shock sensation	1,398	1	78
Antibody test negative	1,393	18	195
Secretion discharge	1,381	28	123
Acne	1,376	1	48
Thinking abnormal	1,373	18	258
Grand mal convulsion	1,368	30	587
CSF protein increased	1,367	27	1,207
Exercise tolerance decreased	1,363	2	192
Eyelid oedema	1,357	1	69
Sluggishness	1,357	4	87
Pericardial effusion	1,357	98	924
Arthropathy	1,356	7	164
Troponin I increased	1,355	45	827
Musculoskeletal disorder	1,354	19	336
X-ray limb	1,353	8	128
Antinuclear antibody negative	1,353	26	418
Encephalitis	1,348	100	955
Overdose	1,346	19	62
Psoriasis	1,341	2	59
Upper-airway cough syndrome	1,340	3	62
Skin tightness	1,332	1	30
Mean cell volume normal	1,329	40	738
Red blood cell count decreased	1,326	90	783
Limb injury	1,325	23	188
Electrocardiogram ST segment elevation	1,319	40	1,070
Alanine aminotransferase normal	1,316	66	771
Atelectasis	1,314	180	1,037
Amenorrhoea	1,311	1	60
Injection site irritation	1,305	0	13
Oral pain	1,294	2	52
Injection site paraesthesia	1,287	0	26
Sinus disorder	1,283	11	102
Blood alkaline phosphatase normal	1,282	61	776
Rash morbilliform	1,281	1	46
Oral discomfort	1,278	0	41
Pharyngeal paraesthesia	1,274	0	30
Respiratory rate increased	1,263	47	190
Injection site haematoma	1,261	0	16
Brain natriuretic peptide increased	1,259	143	1,083
Cardiomegaly	1,254	217	824
Culture urine	1,246	49	551
Neuropathy	1,246	34	502
Blood glucose decreased	1,243	49	316
Pulmonary thrombosis	1,243	82	939
Chromaturia	1,240	29	409
Ejection fraction decreased	1,240	132	1,040
Tongue disorder	1,229	1	104
Dermatitis	1,227	8	89
Hyponatraemia	1,227	126	1,061
Joint injury	1,216	10	93
Autopsy	1,214	1,197	149
Cardiac failure	1,213	304	837
Anion gap	1,205	79	866
Culture urine negative	1,192	46	711
Blood bilirubin normal	1,192	73	738
Scan with contrast abnormal	1,188	45	924
Stress	1,177	6	132
Eye discharge	1,175	3	53
Periorbital swelling	1,173	1	48
Renal failure	1,172	400	836
Tendonitis	1,169	0	40
Aphonia	1,169	12	89
Faeces discoloured	1,168	30	325
Hyperglycaemia	1,166	92	780
Aspartate aminotransferase normal	1,163	48	663
Biopsy skin abnormal	1,162	22	169
Brain fog	1,161	8	106
Dry eye	1,157	2	67
Skin swelling	1,154	1	33
Carbon dioxide normal	1,151	31	690
Fibromyalgia	1,149	1	107
Electromyogram abnormal	1,143	27	625
Renal pain	1,143	1	64
Meningitis	1,142	116	839
Mean cell haemoglobin concentration normal	1,142	30	636
Weight bearing difficulty	1,141	6	222
Biopsy skin	1,140	9	147
Mydriasis	1,140	76	132
Myelitis transverse	1,138	19	794
Blood calcium normal	1,138	44	598
Pulmonary congestion	1,138	128	376
Sinus tachycardia	1,137	59	508
Injection site abscess	1,134	0	136
Haematuria	1,132	54	469
Accidental underdose	1,124	0	0
Rotator cuff syndrome	1,123	2	58
Troponin I	1,120	17	461
Magnetic resonance imaging heart	1,120	7	818
Red blood cell count normal	1,119	19	499
CSF test abnormal	1,115	44	937
Postural orthostatic tachycardia syndrome	1,111	4	226
Catheterisation cardiac	1,110	44	864
Generalised tonic-clonic seizure	1,109	35	357
Neurological examination	1,105	17	337
Post herpetic neuralgia	1,103	2	74
Facial paresis	1,100	8	415
Symptom recurrence	1,095	1	900
Diabetes mellitus	1,092	85	401
Feeling jittery	1,090	1	42
Influenza virus test	1,089	20	287
X-ray abnormal	1,088	32	398
Mechanical urticaria	1,088	0	12
Physical examination	1,085	23	229
Muscle rigidity	1,084	32	128
Breast swelling	1,084	1	31
Ultrasound Doppler normal	1,082	43	571
Haemoglobin	1,079	53	502
Streptococcus test	1,073	12	174
Ultrasound abdomen	1,071	10	371
Antinuclear antibody positive	1,070	7	240
Shock	1,066	359	658
Mouth ulceration	1,065	11	134
Middle insomnia	1,064	2	56
No reaction on previous exposure to drug	1,063	1	62
Lymphocyte percentage decreased	1,061	62	679
Blood alkaline phosphatase increased	1,055	65	552
Blepharospasm	1,054	0	96
Body temperature decreased	1,054	32	119
Lumbar puncture normal	1,049	17	769
Neutrophil percentage increased	1,049	52	687
Appendicitis	1,048	4	830
Blood creatine phosphokinase	1,045	25	311
Borrelia test negative	1,041	10	359
Vitreous floaters	1,037	2	69
Colonoscopy	1,036	22	278
Respiratory viral panel	1,036	54	776
Glossodynia	1,028	1	49
Muscle fatigue	1,027	2	55
Blood magnesium	1,024	24	434
Hepatic enzyme increased	1,022	42	384
Red cell distribution width normal	1,020	26	500
Multiple sclerosis	1,012	10	314
Hypopnoea	1,011	61	152
X-ray limb normal	1,007	4	128
Injection site infection	1,007	3	65
Groin pain	1,006	2	126
Lumbar puncture abnormal	1,004	45	869
Accidental overdose	1,004	3	21
Visual disturbance	1,002	7	171
Blood creatine phosphokinase normal	1,000	11	318
Cerebral haemorrhage	997	319	765
Protein total normal	996	41	559
Purpura	995	19	276
Nerve conduction studies	994	6	298
Haemoptysis	993	106	435
Allergy test	988	0	71
Gastrointestinal haemorrhage	982	189	707
Culture	980	49	354
Renal impairment	979	234	621
Fibrin D dimer normal	979	8	333
Glycosylated haemoglobin	971	17	367
Ultrasound abdomen abnormal	968	27	715
Neutrophil count increased	967	38	522
Adverse drug reaction	967	17	95
Acoustic stimulation tests abnormal	961	1	28
Ear swelling	960	0	40
Vaccination error	960	4	1
Blindness unilateral	960	4	292
Serum sickness	958	4	191
Platelet count increased	956	27	438
Eating disorder	955	19	167
Ischaemic stroke	950	73	807
International normalised ratio	948	35	444
Nuclear magnetic resonance imaging brain normal	946	8	486
Pregnancy test positive	944	1	37
Supraventricular tachycardia	944	44	332
Nuchal rigidity	943	8	141
Transfusion	942	155	753
Cardioversion	937	203	559
Blood bilirubin increased	936	90	577
Salivary hypersecretion	936	16	155
Mean cell haemoglobin normal	936	31	491
Depressed mood	930	3	80
Needle issue	929	1	3
Differential white blood cell count normal	929	5	204
Immunodeficiency	929	31	166
Blood pressure abnormal	929	36	225
Liver function test	926	21	301
Hypokalaemia	926	86	721
Urinary retention	924	41	621
Abscess	923	14	219
Vasculitis	922	33	307
Papule	921	0	30
Drug hypersensitivity	917	3	95
Blood albumin normal	917	35	486
Blood magnesium normal	914	31	487
Mammogram	913	0	33
Systemic lupus erythematosus	912	18	187
Abnormal dreams	910	0	35
Cardio-respiratory arrest	909	717	429
Aggression	907	35	265
Rheumatoid factor negative	907	3	157
Drooling	905	10	192
Pregnancy test	904	0	45
Scar	903	5	87
Shoulder injury related to vaccine administration	903	0	13
Prothrombin time	899	23	451
Viral test negative	889	45	557
Respiration abnormal	888	68	155
Vaccination site bruising	887	0	10
Skin laceration	887	27	162
Ophthalmic herpes zoster	885	9	63
Muscle contractions involuntary	884	16	102
Limb mass	883	2	30
Fluid retention	882	32	220
Laryngospasm	879	2	100
Respiratory symptom	877	58	406
Food allergy	876	1	77
Liver function test normal	876	25	376
Pelvic pain	876	7	102
Muscle atrophy	874	22	166
Blood immunoglobulin G	874	20	271
Ophthalmological examination	869	0	81
Thyroid function test	869	2	115
Polymenorrhoea	869	0	17
Lymphadenitis	866	9	84
Tongue discomfort	865	0	27
Extrasystoles	863	3	110
Computerised tomogram thorax normal	862	44	539
Wheelchair user	861	50	402
Vomiting projectile	859	8	147
Blood creatinine	855	50	413
Glomerular filtration rate decreased	848	87	522
Sciatica	846	5	71
Blood albumin decreased	845	95	634
Nightmare	845	5	47
Monoplegia	843	3	215
Appendicectomy	839	2	719
Pulse absent	838	587	271
Pulmonary mass	837	87	520
Blood calcium decreased	836	72	614
Chronic kidney disease	834	164	666
Photopsia	832	1	66
VIIth nerve paralysis	830	3	138
Haematoma	830	39	168
Ataxia	828	14	500
Caesarean section	828	13	278
Sinus headache	827	0	29
Procalcitonin	825	81	683
Scratch	821	1	18
Oral pruritus	820	0	24
Oral mucosal blistering	820	5	59
Monocyte percentage	817	32	443
Formication	815	2	27
Magnetic resonance imaging spinal	815	7	422
Neutrophil count	810	35	388
Rheumatoid factor	810	8	136
Hypoglycaemia	809	72	380
Exposure via skin contact	808	0	2
Abdominal X-ray	807	27	521
Motor dysfunction	807	19	273
International normalised ratio increased	807	119	577
Mean platelet volume normal	807	24	468
Heart rate abnormal	804	17	145
Ear disorder	804	4	71
Magnetic resonance imaging neck	800	6	290
Immunology test	799	11	281
Sinus pain	796	3	40
Face injury	794	10	80
Tunnel vision	794	2	42
Polymyalgia rheumatica	794	0	53
Septic shock	793	428	658
Gout	790	7	113
Pulmonary pain	789	1	75
Choking	784	37	154
Thyroid function test normal	779	2	101
Laryngitis	778	22	58
Device connection issue	776	0	2
Eyelid ptosis	772	5	206
Glycosylated haemoglobin increased	771	20	418
Ejection fraction normal	769	39	679
Immune thrombocytopenia	769	19	519
Jaundice	768	62	336
Myositis	766	3	226
Herpes simplex	765	7	75
Postmenopausal haemorrhage	764	0	19
Sputum discoloured	763	46	390
Hepatic function abnormal	763	30	217
Blood pressure fluctuation	762	15	137
Activated partial thromboplastin time	761	27	397
Oligomenorrhoea	761	0	16
Computerised tomogram neck	761	20	382
Neurological examination normal	759	4	183
Magnetic resonance imaging spinal abnormal	758	17	508
Endoscopy	756	21	244
Culture negative	754	45	411
Delivery	753	2	361
Hypothyroidism	752	18	280
Listless	752	5	128
Plasmapheresis	750	48	668
Imaging procedure	749	46	362
Optic neuritis	748	5	284
Hemiplegia	746	30	479
International normalised ratio normal	746	22	436
Sensation of heaviness	744	5	71
Breast tenderness	741	0	16
Gastrointestinal pain	740	3	54
X-ray limb abnormal	738	2	133
Diet refusal	736	56	184
Photosensitivity reaction	734	1	66
Product quality issue	733	4	13
Viral test	733	29	281
Lymphocyte count decreased	732	38	416
Leukopenia	732	40	406
Nuclear magnetic resonance imaging brain	731	3	362
Breakthrough COVID-19	731	521	157
Coronary artery disease	729	135	536
Ejection fraction	724	39	602
Hepatitis B antibody negative	723	2	32
Altered state of consciousness	722	22	135
Tic	722	0	108
Vitamin B12 normal	722	8	266
Accidental exposure to product	721	0	2
Skin mass	721	0	15
Monocyte count increased	718	20	360
Blood lactate dehydrogenase increased	718	59	489
Dermatitis contact	717	0	55
Scan with contrast normal	716	5	348
Incoherent	714	36	191
Rectal haemorrhage	714	54	314
Lymphocyte count	711	25	339
Obstructive sleep apnoea syndrome	708	7	682
Pharyngeal hypoaesthesia	706	0	35
Enema administration	704	6	610
Breast mass	704	5	36
Inflammatory marker increased	702	27	393
Deafness neurosensory	701	2	37
Muscle disorder	699	1	102
Brain oedema	699	236	444
Cardiac stress test normal	699	2	281
Difficulty in walking	699	6	204
Smear cervix abnormal	698	0	17
Catheterisation cardiac abnormal	697	44	627
Monocyte percentage increased	696	23	422
Suicidal ideation	695	14	193
Colitis	695	31	304
Tongue pruritus	694	0	19
Staphylococcal infection	694	60	281
Nephrolithiasis	692	8	258
Glomerular filtration rate	691	39	287
Chemotherapy	688	103	387
HIV test negative	687	19	399
Post-acute COVID-19 syndrome	686	12	87
Autonomic nervous system imbalance	685	18	229
Anger	682	7	75
Pulmonary function test	681	8	164
Decreased immune responsiveness	681	2	20
Drug toxicity	681	10	45
Nuclear magnetic resonance imaging brain abnormal	680	38	470
Incontinence	679	32	206
Diarrhoea haemorrhagic	676	14	264
Visual field defect	675	3	170
Disease recurrence	675	7	60
Blood cholesterol increased	674	4	152
Scan	674	11	245
Epilepsy	673	23	377
Sudden hearing loss	670	0	24
Eosinophil percentage	669	19	349
Neoplasm malignant	669	138	180
Varicella virus test positive	667	24	202
Dementia	667	168	343
Blood gases	664	122	509
Therapy non-responder	664	9	25
Eructation	663	3	49
Haematemesis	663	79	286
Tongue oedema	663	4	92
Glomerular filtration rate normal	663	12	380
CSF culture negative	662	19	589
Breath sounds abnormal	660	85	303
Pregnancy test negative	658	0	48
Muscle strain	656	2	70
Blood electrolytes normal	655	22	300
Gastroenteritis	653	42	321
Carbon dioxide decreased	653	101	428
Frequent bowel movements	652	7	63
Mental retardation severity unspecified	652	9	234
Pneumonia bacterial	651	152	549
Vitamin D	650	7	68
Influenza A virus test positive	650	25	213
Decreased activity	648	22	182
Pertussis	646	6	38
Bacterial test negative	645	39	374
Cerebral infarction	645	91	558
Eyelid function disorder	644	3	133
Lipids	642	4	222
Blood immunoglobulin M	640	4	191
Brain natriuretic peptide normal	639	25	430
Injection site joint pain	637	0	13
Streptococcus test positive	636	43	223
Brain natriuretic peptide	636	35	329
Vitamin B12	636	6	138
Scan brain	634	22	293
Pulse abnormal	634	31	65
Areflexia	633	41	476
Foetal exposure during pregnancy	631	17	88
Odynophagia	631	4	64
Injection site streaking	630	0	20
Temperature intolerance	629	1	65
Maternal exposure before pregnancy	628	1	175
Eosinophil count normal	628	16	287
Dermatitis allergic	627	1	40
Vasodilation procedure	627	2	22
Cyst	623	12	90
Blood thyroid stimulating hormone decreased	622	8	201
Lymphocyte count normal	622	12	276
Lymphocyte percentage	619	12	275
Thrombectomy	619	68	576
Nasal discomfort	618	0	16
Ventricular tachycardia	618	117	413