Rickettsiosis

Common Name(s)

Rickettsiosis

Rickettsia are a group of bacteria that ticks, fleas, mice, and lice can carry and that cause rickettsiosis. These bacteria can only live inside of other cells, and usually exist in the skin cells of affected people. They are transmitted by the bite of a carrier or by coming into contact with a crushed arthropod or its waste. Anyone who lives in or travels to areas with infected arthropods is at risk for rickettsiosis, and there is a higher risk of outbreaks among those living in crowded conditions. The risk of infection is higher in the summer, because this is when the carriers are most active. The type of rickettsial infection a person gets will depend on the species that infects that person, and is largely dependent on geographical location.

In general, symptoms of rickettsiosis will appear 5 to 14 days after the initial infection. Symptoms include headache, fever, rash, and sometimes nausea and vomiting. The rash seen in rickettsiosis can vary in appearance, and usually appears as small red dots that may be found on the hands and feet. Another potential outwardly visible symptom is a dark sore at the site of a carrier’s bite.

Diagnosis of a rickettsial infection can usually be made with a physical examination and subsequent blood tests. Rickettsiosis is treatable with medications such as antibiotics. If you have been diagnosed with rickettsiosis, talk to your doctor about the most current treatment options. In addition, it is important to talk to your doctor about preventative measures that can be taken to avoid rickettsial infection while traveling.

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Condition Specific Organizations

Following organizations serve the condition "Rickettsiosis" for support, advocacy or research.

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Scientific Literature

Articles from the PubMed Database

Research articles describe the outcome of a single study. They are the published results of original research.
The terms "Rickettsiosis" returned 44 free, full-text research articles on human participants. First 3 results:

[Rickettsiosis associated with cerebral infarction: a new case study].
 

Author(s): Tarik Boulahri, Abdellah Taous, Maha Aït Berri, Imane Traibi, Jalal Elbenaye, Abdelhadi Rouimi

Journal:

 

Mediterranean spotted fever (MSF) is a rickettsiosis of the spotted fever group caused by rickettsia conorii. This zoonosis is benign but it can be complicated by severe neurological impairment (hence its severity). We report the case of a 49-year old patient hospitalized in the Department ...

Last Updated: 11 May 2017

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Notes from the Field: Rickettsia parkeri Rickettsiosis - Georgia, 2012-2014.
 

Author(s): Anne Straily, Amanda Feldpausch, Carl Ulbrich, Kiersten Schell, Shannon Casillas, Sherif R Zaki, Amy M Denison, Marah Condit, Julie Gabel, Christopher D Paddock

Journal:

 

During 2012-2014, five cases of Rickettsia parkeri rickettsiosis were identified by a single urgent care practice in Georgia, located approximately 40 miles southwest of Atlanta. Symptom onset occurred during June-October, and all patients had a known tick bite. Patients ranged in ...

Last Updated: 22 Jul 2016

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Rickettsia parkeri Rickettsiosis, Arizona, USA.
 

Author(s): Kristen L Herrick, Sandra A Pena, Hayley D Yaglom, Brent J Layton, Amanda Moors, Amanda D Loftis, Marah E Condit, Joseph Singleton, Cecilia Y Kato, Amy M Denison, Dianna Ng, James W Mertins, Christopher D Paddock

Journal: Emerging Infect. Dis.. 2016 May;22(5):780-5.

 

In the United States, all previously reported cases of Rickettsia parkeri rickettsiosis have been linked to transmission by the Gulf Coast tick (Amblyomma maculatum). Here we describe 1 confirmed and 1 probable case of R. parkeri rickettsiosis acquired in a mountainous region of southern ...

Last Updated: 19 Apr 2016

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Reviews from the PubMed Database

Review articles summarize what is currently known about a disease. They discuss research previously published by others.
The terms "Rickettsiosis" returned 1 free, full-text review articles on human participants. First 3 results:

Transfiguration of rickettsial diseases: tsutsugamushi disease and spotted fever group rickettsiosis in Japan.
 

Author(s): Y Tange, Y Kobayashi

Journal: Intern. Med.. 1993 Dec;32(12):937-9.

 

Last Updated: 8 Jul 1994

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Symptoms, Diagnosis, and Treatment

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Clinical Trial Information This information is provided by ClinicalTrials.gov

Causes of Fever in Bangladeshi Patients
 

Status: Recruiting

Condition Summary: Rickettsial Disease

 

Last Updated: 27 Apr 2016

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Last Updated: 8 Sep 2016

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Scrub Typhus Antibiotic Resistance Trial
 

Status: Not yet recruiting

Condition Summary: Scrub Typhus

 

Last Updated: 8 May 2017

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