Brucellosis history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Raviteja Guddeti, M.B.B.S. [2] Danitza Lukac Vishal Devarkonda, M.B.B.S[3]


Brucellosis can present with diverse clinical presentation which include systemic flu-like symptoms and symptoms due to focal involvement of organs by the bacteria.


Patients with brucellosis, can present with diverse clinical presentation which include systemic flu-like symptoms and symptoms due to focal involvement of organs by the bacteria:[1][2][3][4][5][6][7][8][9][10][11][12]

Brucellosis history and symptoms
Acute brucellosis Systemic symptoms

Focal organ wise symptoms:

  • Relapse occurs in 5 to 15 percent of patient usually in first 6 months following treatment, although in rare cases it may even occur in up to 12 months of treatment.[13][14]
  • General well-being and changes in body weight help in diagnosis of relapse.
Chronic Brucellosis Presence of clinical manifestations for more then one year after established diagnosis of brucellosis is considered as chronic brucellosis.

Clinical manifestations include:[15] [16]


  1. Brucellosis "Dennis Kasper, Anthony Fauci, Stephen Hauser, Dan Longo, J. Larry Jameson, Joseph Loscalzo"Harrison's Principles of Internal Medicine, 19e Accessed on December 9th, 2017
  2. Colmenero JD, Reguera JM, Martos F, Sánchez-De-Mora D, Delgado M, Causse M; et al. (1996). "Complications associated with Brucella melitensis infection: a study of 530 cases."Medicine (Baltimore)75 (4): 195–211. PMID 8699960
  3. Mantur BG, Amarnath SK, Shinde RS (2007). "Review of clinical and laboratory features of human brucellosis."Indian J Med Microbiol25 (3): 188–202. PMID 17901634
  4. Pappas G, Akritidis N, Bosilkovski M, Tsianos E (2005). "Brucellosis."N Engl J Med352 (22): 2325–36. PMID 15930423
  5. Dean AS, Crump L, Greter H, Hattendorf J, Schelling E, Zinsstag J (2012). "Clinical manifestations of human brucellosis: a systematic review and meta-analysis". PLoS Negl Trop Dis. 6 (12): e1929. doi:10.1371/journal.pntd.0001929. PMC 3516581. PMID 23236528.
  6. Young EJ (1995). "Brucellosis: current epidemiology, diagnosis, and management."Curr Clin Top Infect Dis15: 115–28. PMID 7546364
  7. Aygen B, Doganay M, Sumerkan B, et al. Clinical manifestations, complications and treatment of brucellosis: a retrospective evaluation of 480 patients. Med Malad Infect 2002; 32:485.
  8. Zamani A, Kooraki S, Mohazab RA, Zamani N, Matloob R, Hayatbakhsh MR; et al. (2011). "Epidemiological and clinical features of Brucella arthritis in 24 children". Ann Saudi Med. 31 (3): 270–3. doi:10.4103/0256-4947.81543. PMC 3119967. PMID 21623056.
  9. Mousa AM, Bahar RH, Araj GF, Koshy TS, Muhtaseb SA, al-Mudallal DS; et al. (1990). "Neurological complications of brucella spondylitis."Acta Neurol Scand81 (1): 16–23. PMID 2330811
  10. Pappas G, Bosilkovski M, Akritidis N, Mastora M, Krteva L, Tsianos E (2003). "Brucellosis and the respiratory system."Clin Infect Dis37 (7): e95–9. PMID 13130417doi:10.1086/378125
  11. Herrick JA, Lederman RJ, Sullivan B, et al. Brucella arteritis: clinical manifestations, treatment, and prognosis. Lancet Infect Dis 2014; 14:520.
  12. Ariza J, Bosilkovski M, Cascio A, Colmenero JD, Corbel MJ, Falagas ME; et al. (2007). "Perspectives for the treatment of brucellosis in the 21st century: the Ioannina recommendations". PLoS Med. 4 (12): e317. doi:10.1371/journal.pmed.0040317. PMC 2222927. PMID 18162038.
  13. Ariza J, Bosilkovski M, Cascio A, et al. Perspectives for the treatment of brucellosis in the 21st century: the Ioannina recommendations. PLoS Med 2007; 4:e317.
  14. Ariza J, Corredoira J, Pallares R, et al. Characteristics of and risk factors for relapse of brucellosis in humans. Clin Infect Dis 1995; 20:1241.
  15. Young EJ (1995). "Brucellosis: current epidemiology, diagnosis, and management". Curr Clin Top Infect Dis. 15: 115–28. PMID 7546364.
  16. Castaño MJ, Solera J (2009). "Chronic brucellosis and persistence of Brucella melitensis DNA" Check |url= value (help). J Clin Microbiol. 47 (7): 2084–9. doi:10.1128/JCM.02159-08. PMC 2708509. PMID 19420176.