Fever, Rash, and a Cat with Fleas

A 30 yo male presents with fever, malaise, arthralgias, and pruritic papular rash over the body. He has a cat that has been scratching itself for a while and he suspects that the cat may have fleas. CBC reveals thrombocytopenia.

What is your DDx?

What do you think is causing this presentation?

Click page 2 below to see the answer and explanation!

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