Rocky Mountain spotted fever (RMSF) is a bacterial disease spread through the bite on an infected tick.
Spotted fever rickettsia (SFR) including Rocky Mountain spotted fever (RMSF) SFR is a group of related bacteria that can cause spotted fevers including RMSF.
Buckingham SC, Marshall GS, Schutze GE, et al.
American Roentgen Ray Society Images of Rocky Mountain spotted fever differential diagnosis However, RMSF is often mi …
An increase in human cases of spotted fever rickettsiosis in Yucatan, Mexico, involving children.
This delays proper therapy and contributes to higher mortality.If RMSF is treated with antibiotics aimed at another pathogen, the characteristic rash in RMSF may be mistaken for a drug eruption.Conditions to consider in the differential diagnosis of RMSF include the following:Other acute rickettsial infections - Eg, Mediterranean spotted fever, North Asian tick typhus, Siberian tick typhus, Astrakhan fever, African tick bite fever, Japanese spotted fever, Queensland tick typhus, Flinders Island spotted fever, Israeli tick typhus, Marseilles tick bite feverSexton DJ, Corey GR. Differential Diagnosis for Rocky Mountain Spotted Fever Anaplasmosis : Rash is rarely reported in patients with anaplasmosis and the presence of a rash may signify that the patient has a coinfection with the pathogen that causes Lyme disease or another tickborne disease , such as Rocky Mountain Spotted Fever.
Chapman AS, Bakken JS, Folk SM, et al. Respiratory manifestations of tick-borne diseases in the Southeastern United States. The brown dog tick (Rhipicephalus sanguineus) has recently been identified as a source of RMSF in the southwestern U.S. and along the U.S.-Mexico border, but it is found throughout the country and the world. The patient's rash is a major diagnostic sign of Rocky Mountain spotted fever (RMSF).
The early phase of Rocky Mountain spotted fever (RMSF) is characterized by nonspecific symptoms that may mimic any number of other viral or bacterial infections. Sexton DJ, Gallis HA, McRae JR, Cate TR. In the United States, the American dog tick (Dermacentor variabilis) is the most commonly identified source of transmission. Spotted fever group Rickettsia in small rodents from areas of low endemicity for Brazilian spotted fever in the eastern region of Minas Gerais State, Brazil. Chen LF, Sexton DJ.
Lochary ME, Lockhart PB, Williams WT Jr. Doxycycline and staining of permanent teeth. Holman RC, Paddock CD, Curns AT, Krebs JW, McQuiston JH, Childs JE.
Clin Infect Dis. Letter: Possible needle-associated Rocky Mountain spotted fever. Immunoperoxidase and immunofluorescent staining of Rickettsia rickettsii in skin biopsies.
Diseases & Conditions
Minniear TD, Buckingham SC.
Image courtesy of the Centers for Disease Control and Prevention (CDC).
Patients with Rocky Mountain spotted fever (RMSF), a tickborne infection caused by Rickettsia rickettsii, respond quickly to tetracycline-class antibiotics (e.g., doxycycline) when therapy is started within the first few days of illness; however, untreated RMSF may result in severe illness and death …
In virtually all cases, RMSF presents with a rash . This tick is actually found mainly east of the Rocky Mountains (distribution is shown).
Diagnosis and management of tickborne rickettsial diseases: Rocky Mountain spotted fever, ehrlichioses, and anaplasmosis--United States: a practical guide for physicians and other health-care and public health professionals. Accurate diagnosis is essential, since several of the disorders in the differential diagnosis may have important obstetric implications.
2002
With prompt, appropriate antimicrobial therapy, patient outcomes are excellent. Rocky mountain spotted fever hospitalizations among American Indians. The classical diagnostic triad is fever, headache and rash in a patient with a recent tick bite. /viewarticle/934385
https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly9lbWVkaWNpbmUubWVkc2NhcGUuY29tL2FydGljbGUvMjI4MDQyLWRpZmZlcmVudGlhbA== Infrequency of Rickettsia rickettsii in Dermacentor variabilis removed from humans, with comments on the role of other human-biting ticks associated with spotted fever group Rickettsiae in the United States.
Image courtesy of Bal AK, Kairys SW. Kawasaki disease following Rocky Mountain spotted fever: a case report. Several of these SFR have similar signs and symptoms, including fever, headache, and rash, but are often less severe than RMSF.
A focus of Rocky Mountain spotted fever within New York City.
Therapeutic delay and mortality in cases of Rocky Mountain spotted fever.
Rocky Mountain "spotless" and "almost spotless" fever: a wolf in sheep's clothing.
Laboratory Medicine
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In virtually all cases, RMSF presents with a Examples of diseases that may be misdiagnosed for Rocky Mountain spotted fever are found in the table below:
Raoult D, Parola P. Rocky Mountain spotted fever in the USA: a benign disease or a common diagnostic error?. Antibiotics generally used to treat serious infections during pregnancy are … 2001
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