Journal
BMC INFECTIOUS DISEASES
Volume 21, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12879-021-06799-w
Keywords
Raoultella ornithinolytica; Community-acquired infection; Anti-allergic treatment
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Raoultella ornithinolytica is a Gram-negative bacillus that can cause healthcare-associated infections. This case report describes a 25-year-old patient with R. ornithinolytica infection presenting with fever, rash, and lymph node enlargement. Treatment with meropenem and loratadine was successful in managing the infection and associated allergic reaction.
Background Raoultella ornithinolytica is a Gram-negative bacillus that resembles Klebsiella. This bacterium is present in many soil and aquatic environments and is a major causative agent of healthcare-associated infections (HAIs) in medical staff. Clinically, it has been reported to contribute to nosocomial infections in patients that include but are not limited to gastrointestinal, skin, and genitourinary tract infections. These complications are most common in hospitalized patients with underlying immunodeficiency, multiple comorbidities, or those receiving invasive surgery. Case presentation We present a case of a 25-year-old patient with a R. ornithinolytica infection. The patient had no history of any disease. Her main complaints were high fever, a scattered maculopapular rash, and superficial lymph node enlargement (SLNE). Peripheral blood samples were collected for high-throughput sequencing analysis to identify pathogenic microorganisms. The results confirmed a R. ornithinolytica infection, which was treated successfully using meropenem. Loratadine was also administered to treat the patient's compromised skin condition caused by an allergic reaction. Conclusions To our knowledge, this is the first case of a systemic maculopapular rash and superficial lymphadenopathy caused by a R. ornithinolytica infection acquired at the community level. Based on this case, we recommend a combination of antibiotic and antiallergic drugs to treat a R. ornithinolytica infection and associated allergic reaction to the bacteria.
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