Syncope
36 drugs7,977 FAERS reportsMedDRA PT
GET
/api/v1/reaction/syncopeReference statistics only. FAERS reports are voluntarily submitted and are not incidence rates, safety signals, or causal evidence. The drugs below are ranked by how often this reaction appears on FAERS reports for each drug — high share does not mean the drug caused the reaction, and absence from this list does not mean the reaction never occurred. This is not a symptom checker.
DefinitionNLM MeSH D013575
A transient loss of consciousness and postural tone caused by diminished blood flow to the brain (i.e., BRAIN ISCHEMIA). Presyncope refers to the sensation of lightheadedness and loss of strength that precedes a syncopal event or accompanies an incomplete syncope. (From Adams et al., Principles of Neurology, 6th ed, pp367-9)
Drugs reporting Syncope (36)
Share = reports listing this reaction ÷ total matched reports for the drug. — means the upstream totals query failed at ingest and the denominator is unknown.
- 1Manganese Gluconate133%
- 2Benoxinate222%
- 3Pyrophosphate514%
- 4Amyl Nitrite712%
- 5Efbemalenograstim Alfa27.1%
- 6Obecabtagene Autoleucel26.7%
- 7Ammonia66.3%
- 8Hypochlorite156.1%
- 9Lofexidine85.0%
- 10Primaquine44.9%
- 11Fluorescein414.5%
- 12Benzgalantamine24.3%
- 13Mirdametinib34.0%
- 14Fluvastatin2903.9%
- 15Cosyntropin83.8%
- 16Oxidronate53.7%
- 17Clemastine443.3%
- 18Sargramostim543.2%
- 19Avanafil23.1%
- 20Donepezil1,0753.0%
- 21Fludrocortisone622.9%
- 22Flutemetamol112.7%
- 23Sarecycline52.7%
- 24Propafenone1452.7%
- 25Ambrisentan3,0952.5%
- 26Bromocriptine162.5%
- 27Doxazosin8792.5%
- 28Droxidopa5032.4%
- 29Ivabradine1562.3%
- 30Regadenoson1082.3%
- 31Alfuzosin1252.2%
- 32Mepivacaine232.1%
- 33Silodosin741.9%
- 34Gallium71.7%
- 35Gozetotide71.7%
- 36Bosentan1,185—
Related reactions
Other reactions most often co-reported on the same drug set. Ranked by Jaccard similarity over drug-id sets — pure data-derived co-occurrence, not a clinical relationship.
- Loss Of Consciousness9 shared · 0.12
- Blood Pressure Decreased6 shared · 0.08
- Cyanosis3 shared · 0.06
- Bradycardia6 shared · 0.06
- Hyperhidrosis6 shared · 0.06
- Cerebral Amyloid Angiopathy2 shared · 0.06
- Pathological Fracture2 shared · 0.06
- Heart Rate Increased4 shared · 0.05
- Injection Site Extravasation2 shared · 0.05
- Feeling Hot3 shared · 0.05
Literature
Recent PubMed references pinned to Syncope as a MeSH major topic. About the reaction term itself — not about any specific drug.
- Validation of 2 Syncope Risk Scores and Comparison With Physician Risk Estimation.JAMA network open · 2026 · Suh EH, Winskill C, Sacco DL, et al.PMID 42154462DOI 10.1001/jamanetworkopen.2026.17362
- Sensor detection and pacing for impending reflex syncope.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2026 · Sutton RPMID 42145267DOI 10.1093/europace/euag070
- Empirical Anatomical Versus HAFE-Guided Cardioneuroablation for Vasovagal Syncope: Long-Term Efficacy and Safety Outcomes.Clinical cardiology · 2026 · Zhang B, Du X, Luo C, et al.PMID 42145262DOI 10.1002/clc.70348
- Reduced gut microbial diversity characterized by decreased Bacteroides is associated with vasovagal syncope in children.Frontiers in cellular and infection microbiology · 2026 · Tang W, Yang Q, Ren J, et al.PMID 42058178DOI 10.3389/fcimb.2026.1764992
- Syncope and Wellens Sign: A Case Report and Review of Precordial ST- and T-Wave Changes in the Emergency Department.Advanced emergency nursing journal · 2026 · Ramos JPMID 42029143DOI 10.1097/TME.0000000000000624
- Hidden ruptured internal carotid artery aneurysm causing occult epistaxis, melena, syncope, and hemodynamic collapse: a case report.Journal of medical case reports · 2026 · Alamir HIA, Alotaibi NPMID 42015214DOI 10.1186/s13256-025-05412-x
Note. FAERS reports are voluntarily submitted and are NOT incidence rates, signals, or causal evidence. Counts reflect reporting volume, not how often a reaction occurs. Reference statistics only.