Fever and Rash from a Furry Friend?

A 36-year-old woman presents with fever, Joint Pain, and a rash. Explore a case of a zoonotic infection linked to a common household pet. Learn the diagnosis.

Rat bite fever


A previously healthy 36-year-old woman presented to the infectious diseases clinic with a 3-day history of fever, arthralgias, myalgias, and headache. She denied any recent travel or new sexual partners but admitted to having a pet rat. Physical examination revealed swollen and tender joints as well as a maculopapular rash on the feet and hands, with pustule formation. What is the most likely diagnosis?

What is the most likely diagnosis?

The plague
Rat bite fever
Leptospirosis
Tularemia
Hantavirus

Arthralgia, Maculopapular Rash, Rat bite fever, Streptobacillus moniliformis, Zoonosis

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