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Rocky Mountain spotted fever

Disease definition

A rare, acquired, life-threatening, infectious disease due to the tick-borne bacteria Rickettsia rickettsii characterized by an acute onset of fever, malaise, and severe headache, variably accompanied by myalgia, anorexia, nausea, vomiting, abdominal pain, and photophobia, associating (2-5 days after fever onset) a typically erythematous, blanching or non-blanching, maculopapluar rash with petechiae, starting on the wrists and ankles and progressing centrifugally to the palms and soles and centripetally to the arms, legs and trunk. Additonal variable features may include conjunctivitis, mucosal ulcers, post-inflammatory hyperpigmentation, jaundice, pneumonia, hepatomegaly, renal failure, meningismus, amnesia, optic disc edema, and ocular arterial occlusion.

ORPHA:83311

Classification level: Disorder
  • Synonym(s): -
  • Prevalence: Unknown
  • Inheritance: Not applicable 
  • Age of onset: All ages
  • ICD-10: A77.0
  • ICD-11: 1C31.0
  • OMIM: -
  • UMLS: C0035793
  • MeSH: D012373
  • GARD: 7585
  • MedDRA: 10039207
The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.