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Brucellosis is a form of zoonotic infection caused by various Brucella organisms. It most commonly presents as a case of pyrexia of unknown origin, alongside symptoms such as night sweats, malaise, arthralgias, and myalgias. This report describes the case of a man who presented with pyrexia of unknown origin for one month; he was diagnosed to be a case of brucellosis after enteric fever was ruled out. Investigations were ordered as it was a differential diagnosis with high clinical suspicion due to the presenting complaint and potential exposure of tainted consumable products. The systemic disease was determined to be brucellosis following blood results demonstrating positive antibody titers, and the suspicion of exposure due to widespread inadequacies in sterilization of food products.

Erythema nodosum is a form of panniculitis that presents as red lumps most commonly on the shins. It commonly presents due to tuberculosis, streptococcal infections, sarcoidosis, or can be drug related. This report describes the case of a young woman who presented with erythema nodosum and reactive arthritis; this was determined to be a sequelae of tuberculosis. Investigations were ordered as there was a high level of clinical suspicion for an underlying systemic cause for the presenting complaints. The systemic condition was determined to be tuberculosis due to the endemic environment and a positive tuberculin skin test.